Develop Bugs

HELP: I think i bricked my phone, won't boot.

Guys,
I used to be very good at rooting by in my HTC days (3 yrs ago). Not so much now a days :crying: I need some help.
I have the ATT LG G3 D850 (i believe) (16gb)
I rooted my phone a few months back. It was an app that did it quite easily for me. I downloaded and used root only apps like titanium back up with no problems.
I didn't download TWRP because at the time i don't believe it was available.
Anyways fast forward a few months and with lollipop out i thought i'd try to install TWRP and a rom that had android 5.0
I downloaded the TWRP app and then installed TWRP recovery through the app. (i listed my phone as D851 because i couldn't find D850 on the list)
Everything seemed to run fine and got a notification that the install was done successfully.
I tried to boot into recovery through the TWRP app and my phone did not boot! I get a message at the upper left corner of my phone that says:
: Boot Certification Verify
______________________________
Secure booting Error!
Cause : Boot Certification Verify
______________________________
and then my phone turns off.
What the hell did i do to my beautiful LG G3? Can someone help me fix this?
I greatly appreciate the help! This forum has always been so awesome!

You will probably have to reflash the KDZ - never choose a phone model unless its your actual device

Vivasanti said:
You will probably have to reflash the KDZ - never choose a phone model unless its your actual device
Click to expand...
Click to collapse
Can you help Explain how I do this? What is KDZ?

You must check what exactly model you have. Then download a firmware in KDZ format and flash it through LG Flash Tool. Can't give you more details, because I never used that way of flashing new firmware

You flashed TWRP for the T-Mobile variant that ships with an unlocked bootloader, however your variant has a locked boot loader hence the boot Sig error. You need to flash back to stock with kdz and then flash bumped TWRP which works around the locked bootloader and allows you to flash Roms and kernals. You can download "bumped" TWRP here: http://downloads.codefi.re/thecubed/lg_g3/bump/, and here is the thread: http://forum.xda-developers.com/lg-g3/orig-development/bump-unlock-lg-g3-twrp-d852-d852g-f400-t2900614
---------- Post added at 02:12 PM ---------- Previous post was at 02:02 PM ----------
This page is always helpful for finding packages, they would have the kdz I would think http://forum.xda-developers.com/showthread.php?t=2772658

melbing said:
You flashed TWRP for the T-Mobile variant that ships with an unlocked bootloader, however your variant has a locked boot loader hence the boot Sig error. You need to flash back to stock with kdz and then flash bumped TWRP which works around the locked bootloader and allows you to flash Roms and kernals. You can download "bumped" TWRP here: http://downloads.codefi.re/thecubed/lg_g3/bump/, and here is the thread: http://forum.xda-developers.com/lg-...mp-unlock-lg-g3-twrp-d852-d852g-f400-t2900614
---------- Post added at 02:12 PM ---------- Previous post was at 02:02 PM ----------
This page is always helpful for finding packages, they would have the kdz I would think http://forum.xda-developers.com/showthread.php?t=2772658
Click to expand...
Click to collapse
If i flash back to stock, will my phone be functional again? Or do i need to flash "bumped TWRP"
what is "bumped TWRP" ?

Your phone will be functional again if you flash back to stock afterward if you want to flash roms you need to then install bumped TWRP. Bumped TWRP is a special version of TWRP that has been patched to make it possible to use on variants of the g3 with locked bootloaders like yours, by tricking the phone into thinking it is booting stock recovery. This will allow you to flash Roms and kernals that have been "bumped" and apply mods like you would normally be able to with TWRP. Bump is basically a bootloader unlock for your phone that let's you flash roms, kernals, and Recovery's.
---------- Post added at 12:52 PM ---------- Previous post was at 12:16 PM ----------
You do not need to bumped TWRP unless you want to, you need to use the LG flash tool to reset your phone here's the link: http://forum.xda-developers.com/showthread.php?t=2797190 and check the index linked above to find the .kdz for the tool

melbing said:
Your phone will be functional again if you flash back to stock afterward if you want to flash roms you need to then install bumped TWRP. Bumped TWRP is a special version of TWRP that has been patched to make it possible to use on variants of the g3 with locked bootloaders like yours, by tricking the phone into thinking it is booting stock recovery. This will allow you to flash Roms and kernals that have been "bumped" and apply mods like you would normally be able to with TWRP. Bump is basically a bootloader unlock for your phone that let's you flash roms, kernals, and Recovery's.
---------- Post added at 12:52 PM ---------- Previous post was at 12:16 PM ----------
You do not need to bumped TWRP unless you want to, you need to use the LG flash tool to reset your phone here's the link: http://forum.xda-developers.com/showthread.php?t=2797190 and check the index linked above to find the .kdz for the tool
Click to expand...
Click to collapse
Thank you for your help. I travel a lot so i have not been able to sit down and try to fix this. I've been operating on my work phone all week. I hope to give this a shot sometime tomorrow.
Thanks again! Really appreciate the help.

melbing said:
Your phone will be functional again if you flash back to stock afterward if you want to flash roms you need to then install bumped TWRP. Bumped TWRP is a special version of TWRP that has been patched to make it possible to use on variants of the g3 with locked bootloaders like yours, by tricking the phone into thinking it is booting stock recovery. This will allow you to flash Roms and kernals that have been "bumped" and apply mods like you would normally be able to with TWRP. Bump is basically a bootloader unlock for your phone that let's you flash roms, kernals, and Recovery's.
---------- Post added at 12:52 PM ---------- Previous post was at 12:16 PM ----------
You do not need to bumped TWRP unless you want to, you need to use the LG flash tool to reset your phone here's the link: http://forum.xda-developers.com/showthread.php?t=2797190 and check the index linked above to find the .kdz for the tool
Click to expand...
Click to collapse
gosh it's going on 3-weeks without my phone. I've read through this thread http://forum.xda-developers.com/showthread.php?t=2797190
but i'm still lost. It's been so long since i rooted a phone i'm so out of touch with the jargon of today, makes me a little sad actually lol
so if i read this correctly i need to download the LG Flash Tool 2014 (can this be done on MAC?) I don't get what you mean with "and check the index linked above to find the .kdz for the tool"
i clicked on the link to the index, but what exactly am i looking for?

cyaiphone said:
gosh it's going on 3-weeks without my phone. I've read through this thread http://forum.xda-developers.com/showthread.php?t=2797190
but i'm still lost. It's been so long since i rooted a phone i'm so out of touch with the jargon of today, makes me a little sad actually lol
so if i read this correctly i need to download the LG Flash Tool 2014 (can this be done on MAC?) I don't get what you mean with "and check the index linked above to find the .kdz for the tool"
i clicked on the link to the index, but what exactly am i looking for?
Click to expand...
Click to collapse
You need to download the correct .kdz file for your variant. The .kdz is the complete stock firmware from LG. Also, if you really have an AT&T LG G3 (D850) it is a 32gb not 16gb version. If your phone only has 16gb of storage then you do not have a D850 and you need to go to your software information in the phone to verify what model you have. Do not flash anything for another variant as you see where that leads. Check back and let me know when you find out for sure which variant you have and I will point you to a specific thread for your device with step by step instructions on how to use the .kdz method to return to stock, then flash a Bump'd TWRP recovery so you can make a nandroid backup and save yourself from this mess again. I am also unsure if the .kdz restore method can be done on Mac, but I'm pretty sure it cannot be done considering the program provided is a Windows executable. Best of luck.

acparker18 said:
You need to download the correct .kdz file for your variant. The .kdz is the complete stock firmware from LG. Also, if you really have an AT&T LG G3 (D850) it is a 32gb not 16gb version. If your phone only has 16gb of storage then you do not have a D850 and you need to go to your software information in the phone to verify what model you have. Do not flash anything for another variant as you see where that leads. Check back and let me know when you find out for sure which variant you have and I will point you to a specific thread for your device with step by step instructions on how to use the .kdz method to return to stock, then flash a Bump'd TWRP recovery so you can make a nandroid backup and save yourself from this mess again. I am also unsure if the .kdz restore method can be done on Mac, but I'm pretty sure it cannot be done considering the program provided is a Windows executable. Best of luck.
Click to expand...
Click to collapse
I'm unable to get into my phone so I can't see what variant i have, but i do know that i have a 16gb on ATT.
I do have a windows laptop so i will attempt this on my laptop. Thank you so much for your help. I'll await your response.

All US Carriers for the LG G3 are 32gb models.

cyaiphone said:
I'm unable to get into my phone so I can't see what variant i have, but i do know that i have a 16gb on ATT.
I do have a windows laptop so i will attempt this on my laptop. Thank you so much for your help. I'll await your response.
Click to expand...
Click to collapse
I cannot point you in the right direction without having an exact model variant number. You obviously don't have a D850, but there are a few 16gb variants out there. I would hate to be the cause of you further bricking your phone. If you can dig through your information from the retailer you bought the phone from and give me an exact model, then I can help you without worrying about screwing you worse than you're already screwed.
---------- Post added at 11:01 AM ---------- Previous post was at 10:48 AM ----------
cyaiphone said:
I'm unable to get into my phone so I can't see what variant i have, but i do know that i have a 16gb on ATT.
I do have a windows laptop so i will attempt this on my laptop. Thank you so much for your help. I'll await your response.
Click to expand...
Click to collapse
The model number is listed on the IMEI sticker that's underneath the battery. My model says VS-985W since I have a white Verizon G3. Yours should say some model that starts with a D. This same number should also be plastered in multiple locations along the inside edge of the phone once the battery cover is removed.

acparker18 said:
I cannot point you in the right direction without having an exact model variant number. You obviously don't have a D850, but there are a few 16gb variants out there. I would hate to be the cause of you further bricking your phone. If you can dig through your information from the retailer you bought the phone from and give me an exact model, then I can help you without worrying about screwing you worse than you're already screwed.
---------- Post added at 11:01 AM ---------- Previous post was at 10:48 AM ----------
The model number is listed on the IMEI sticker that's underneath the battery. My model says VS-985W since I have a white Verizon G3. Yours should say some model that starts with a D. This same number should also be plastered in multiple locations along the inside edge of the phone once the battery cover is removed.
Click to expand...
Click to collapse
Ok, so the white sticker underneath my battery says LG-D850. There's also some D850 small white markings on the body of the phone.
The sticker on the box that my phone came in says "SW Ver D85010d"

cyaiphone said:
Ok, so the white sticker underneath my battery says LG-D850. There's also some D850 small white markings on the body of the phone.
The sticker on the box that my phone came in says "SW Ver D85010d"
Click to expand...
Click to collapse
Can you post a screenshot or two of your Storage page? The D850 is the AT&T model but they only come in a 32gb ROM / 3gb Ram storage option. All U.S. variants are of this variety and you should have access to 32gb of internal storage.

acparker18 said:
Can you post a screenshot or two of your Storage page? The D850 is the AT&T model but they only come in a 32gb ROM / 3gb Ram storage option. All U.S. variants are of this variety and you should have access to 32gb of internal storage.
Click to expand...
Click to collapse
My phone doesn't booT so I'm not sure I can get you a screen shot. Maybe I do have the 32 gb and me stating 16 gb was a mistake on my part.

cyaiphone said:
My phone doesn't booT so I'm not sure I can get you a screen shot. Maybe I do have the 32 gb and me stating 16 gb was a mistake on my part.
Click to expand...
Click to collapse
Sorry about repeatedly asking you to get information from your phone, too many different posts to keep up with!
http://forum.xda-developers.com/showthread.php?t=2785089
That link has everything you need to restore any variant back to stock. From there, you can root and Bump it if you want. Just download the KDZ from the link given in the OP of that thread. Make sure it says its for the D850 and try to find the earliest version possible if there are multiple options (eg. 10b instead of 10d if possible).

cyaiphone said:
My phone doesn't booT so I'm not sure I can get you a screen shot. Maybe I do have the 32 gb and me stating 16 gb was a mistake on my part.
Click to expand...
Click to collapse
Phone have got dowwnloadmod
If have downloadmod
Use lgflashtool flash file d850 tot 16gb
If cross [d851]to[d850]
use hex change tot
i can help you .

acparker18 said:
Sorry about repeatedly asking you to get information from your phone, too many different posts to keep up with!
http://forum.xda-developers.com/showthread.php?t=2785089
That link has everything you need to restore any variant back to stock. From there, you can root and Bump it if you want. Just download the KDZ from the link given in the OP of that thread. Make sure it says its for the D850 and try to find the earliest version possible if there are multiple options (eg. 10b instead of 10d if possible).
Click to expand...
Click to collapse
ok, here i go! I will attempt this now. It may be a looong night for me as i really don't know what i'm doing, but here it goes.

acparker18 said:
Sorry about repeatedly asking you to get information from your phone, too many different posts to keep up with!
http://forum.xda-developers.com/showthread.php?t=2785089
That link has everything you need to restore any variant back to stock. From there, you can root and Bump it if you want. Just download the KDZ from the link given in the OP of that thread. Make sure it says its for the D850 and try to find the earliest version possible if there are multiple options (eg. 10b instead of 10d if possible).
Click to expand...
Click to collapse
Ok so I clicked on the Firmware files link http://storagecow.eu/index.php?dir=X...+G3/Stock/ in the OP.
I then clicked on the very top folder which is ATT D850 folder. In that file, there's 3 different files. Do i need to download all these files?

Problem with upgrading to 6.0

Hi guys
Recently i bought my girlfriend LG G4. Now I think it's from Singapore, and I totally have no idea, how to update it. I have 5.1 now, and of course I wanna 6.0. Using automatic option from smartphone still showing "up to date". LG bridge is finding some firmware, but after downloading, at 1% i got error. LG UP always saying, that's bad kdz file ( I download 4-5 of them). When i'm trying to check version by IMEI on devtester, I get nothing. I have no clue what could i do next .
imeipro.info/report.html?token=cae9ce52b6c7405da35d3d01e2cbe86b[/url]

Liian said:
Hi guys
Recently i bought my girlfriend LG G4. Now I think it's from Singapore, and I totally have no idea, how to update it. I have 5.1 now, and of course I wanna 6.0. Using automatic option from smartphone still showing "up to date". LG bridge is finding some firmware, but after downloading, at 1% i got error. LG UP always saying, that's bad kdz file ( I download 4-5 of them). When i'm trying to check version by IMEI on devtester, I get nothing. I have no clue what could i do next .
imeipro.info/report.html?token=cae9ce52b6c7405da35d3d01e2cbe86b[/url]
Click to expand...
Click to collapse
Go into Settings > About Phone > Software Version - at the bottom of the tab click on 'Software Version'. It should give you a version with 10(?) in it (last few numbers in the string). Find one with the same string with 20(?) for the same carrier. Use LGUP-NEW (https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803) and click upgrade to set the 20(?) kdz file you found, then proceed to upgrade it.
Good Luck.

sdembiske said:
Go into Settings > About Phone > Software Version - at the bottom of the tab click on 'Software Version'. It should give you a version with 10(?) in it (last few numbers in the string). Find one with the same string with 20(?) for the same carrier. Use LGUP-NEW (https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803) and click upgrade to set the 20(?) kdz file you found, then proceed to upgrade it.
Good Luck.
Click to expand...
Click to collapse
Well, I have h815 10b, so i download 20b, and still from lg up, lg bridge, to lg flash tool (which i think have right to not work with marshmallow) I always have an error.
like this:
http://imgur.com/a/GCJMg
Still, thanks for advice .

Liian said:
Well, I have h815 10b, so i download 20b, and still from lg up, lg bridge, to lg flash tool (which i think have right to not work with marshmallow) I always have an error.
like this:
http://imgur.com/a/GCJMg
Still, thanks for advice .
Click to expand...
Click to collapse
First - check the LGUP-NEW thread to see if others have posted similar problems and gotten any answers. If you don't find anything, post the issue there.
My suspicion is a carrier difference from the original but ...

sdembiske said:
First - check the LGUP-NEW thread to see if others have posted similar problems and gotten any answers. If you don't find anything, post the issue there.
My suspicion is a carrier difference from the original but ...
Click to expand...
Click to collapse
Okay, I'll check. Tell me only, because I'm not a native speaker in english, what do you mean by "carrier" in this context? And thank you for your interest - I was searching help in the biggest android forum in my country, and nobody was enough kind to respond .
Anyway, this is worst present I ever made to someone . First of all i was waiting 2 months for package, second problem with battery in theoretically brand new phone and now this soft issue. Well, I'll stay with Samsung s8 for myself than g6 .

Liian said:
Okay, I'll check. Tell me only, because I'm not a native speaker in english, what do you mean by "carrier" in this context? And thank you for your interest - I was searching help in the biggest android forum in my country, and nobody was enough kind to respond .
Anyway, this is worst present I ever made to someone . First of all i was waiting 2 months for package, second problem with battery in theoretically brand new phone and now this soft issue. Well, I'll stay with Samsung s8 for myself than g6 .
Click to expand...
Click to collapse
By carrier, I mean the wireless company that provides the phone/texting services to your phone ... if the phone wasn't bought from the original services company.
If it was, the other option might be to try a factory data reset to see if it allows the update to 6.0 to come through automatically - you will have to back all your data first, otherwise you will lose it.
PS: Don't forget to click the Thanks button ...

Well, I bough it from auction so it shouldn't be branded phone, but when i google it, i find information - buyer "EE". Quick look - provider from Great Britain? http://imeipro.info/report.html?token=cae9ce52b6c7405da35d3d01e2cbe86b

Liian said:
Well, I bough it from auction so it shouldn't be branded phone, but when i google it, i find information - buyer "EE". Quick look - provider from Great Britain? http://imeipro.info/report.html?token=cae9ce52b6c7405da35d3d01e2cbe86b
Click to expand...
Click to collapse
Refer to this link and see if the info provided helps solve your invalid kdz issue:
Link: https://www.mylgphones.com/how-to-solvefix-the-kdz-file-is-invalid-issue.html

sdembiske said:
go into settings > about phone > software version - at the bottom of the tab click on 'software version'. It should give you a version with 10(?) in it (last few numbers in the string). Find one with the same string with 20(?) for the same carrier. Use lgup-new (https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803) and click upgrade to set the 20(?) kdz file you found, then proceed to upgrade it.
Good luck.
Click to expand...
Click to collapse
Why can't he use LG Flash Tool instead of LG UP ? It's more readily available.
---------- Post added at 11:52 AM ---------- Previous post was at 11:47 AM ----------
---------- Post added at 11:55 AM ---------- Previous post was at 11:52 AM ----------
sdembiske said:
By carrier, I mean the wireless company that provides the phone/texting services to your phone ... if the phone wasn't bought from the original services company.
If it was, the other option might be to try a factory data reset to see if it allows the update to 6.0 to come through automatically - you will have to back all your data first, otherwise you will lose it.
PS: Don't forget to click the Thanks button ...
Click to expand...
Click to collapse
Tell him to flash the H815 European firmware... it will not do any damage because the OS has the same signature across all variants, so the bootloader will accept.

sdembiske said:
Refer to this link and see if the info provided helps solve your invalid kdz issue:
Link: https://www.mylgphones.com/how-to-solvefix-the-kdz-file-is-invalid-issue.html
Click to expand...
Click to collapse
Thanks, I'll check it today evening. Hope it will work
BIG_BADASS said:
Why can't he use LG Flash Tool instead of LG UP ? It's more readily available.
---------- Post added at 11:52 AM ---------- Previous post was at 11:47 AM ----------
Also keep in mind, if you upgrade from 5.1... you can no longer root the device...
---------- Post added at 11:55 AM ---------- Previous post was at 11:52 AM ----------
Tell him to flash the H815 European firmware... it will not do any damage because the OS has the same signature across all variants, so the bootloader will accept.
Click to expand...
Click to collapse
Read somewhere that LG flash tool working only with 5.1, not 6.0. About version - except 20b, i have also european so if first will work, i'll next . I know that i can't root phone with 6.0 but first of all - it's for my girlfriend and i think, that she don't care. Second - with quite long history with android, i never rooted any of them. I never saw a reason and also i'm bit scared when we're talking about more complicated actions . Anyway, thanks for advice. We will in next 5 hours if i finally get 6.0 on this phone

Liian said:
Thanks, I'll check it today evening. Hope it will work
Read somewhere that LG flash tool working only with 5.1, not 6.0. About version - except 20b, i have also european so if first will work, i'll next . I know that i can't root phone with 6.0 but first of all - it's for my girlfriend and i think, that she don't care. Second - with quite long history with android, i never rooted any of them. I never saw a reason and also i'm bit scared when we're talking about more complicated actions . Anyway, thanks for advice. We will in next 5 hours if i finally get 6.0 on this phone
Click to expand...
Click to collapse
I recommend you root the device, then unlock the bootloader.
---------- Post added at 12:12 PM ---------- Previous post was at 12:10 PM ----------
Liian said:
Thanks, I'll check it today evening. Hope it will work
Read somewhere that LG flash tool working only with 5.1, not 6.0. About version - except 20b, i have also european so if first will work, i'll next . I know that i can't root phone with 6.0 but first of all - it's for my girlfriend and i think, that she don't care. Second - with quite long history with android, i never rooted any of them. I never saw a reason and also i'm bit scared when we're talking about more complicated actions . Anyway, thanks for advice. We will in next 5 hours if i finally get 6.0 on this phone
Click to expand...
Click to collapse
You're lucky you have the European version.. you have no idea how much hassle I went through to get that version...
So anyways, since your bootloader is unlockable, I recommend you unlock it first, prior to flashing anything mentioned by sdembiske.
I recommend you also root the phone and install TWRP, just incase something goes wrong while flashing, you can easily recover the phone, and not have it completely destroyed.
Once you have rooted, unlocked bootloader, and installed TWRP, you can safely do literally anything on the phone
Flashing the rom can easily make your 700USD device worth 0, within seconds... so Please .... take the precautions.... and install TWRP
Cheers
---------- Post added at 12:23 PM ---------- Previous post was at 12:12 PM ----------
Even some of the LG G4 variants with locked bootloaders are rootable...... your variant is DEFINITELY rootable

Liian said:
Thanks, I'll check it today evening. Hope it will work
Read somewhere that LG flash tool working only with 5.1, not 6.0. About version - except 20b, i have also european so if first will work, i'll next . I know that i can't root phone with 6.0 but first of all - it's for my girlfriend and i think, that she don't care. Second - with quite long history with android, i never rooted any of them. I never saw a reason and also i'm bit scared when we're talking about more complicated actions . Anyway, thanks for advice. We will in next 5 hours if i finally get 6.0 on this phone
Click to expand...
Click to collapse
LG Flash Tool has many more bricking issues than LGUP-NEW. If you ever decide you want to roll-back to 5.1, LGUP-NEW will throw up a roll-back version error if one is present - LG Flash Tool will not and will result in a bricked phone. Overall, your best and safest bet is to use LGUP-NEW.
One note: There are fraudulent sellers of supposed H815's out there and as you bought yours through auction there are no guarantees. To be on the safe side I would check with the seller to see if you can ascertain if he was the original owner and ask where the phone was purchased (what country) and who the original carrier was.

Well it didn't work. Anyway in download mode it show mi LG F500k. It's mean sth or it's normal name for g4

Liian said:
Well it didn't work. Anyway in download mode it show mi LG F500k. It's mean sth or it's normal name for g4
Click to expand...
Click to collapse
G4 F500k is the Korean version, isn't it??
https://forum.xda-developers.com/g4/help/korean-g4-f500k-t3150548
Before you do anything, be 100% sure what variant you have. To do so, please enter the following codes in the phone's dial pad:
*#546368#*815#
*#546368#*500#
If the first one works, you have the H815, if the second one works, you have the F500K ...
Report your findings,,,

Liian said:
Well it didn't work. Anyway in download mode it show mi LG F500k. It's mean sth or it's normal name for g4
Click to expand...
Click to collapse
Power down the phone, pull off the back cover and take out the battery. There should be a white tag under it - make a note of all the letters and numbers there. Provided the tag hasn't been tampered with, it should provide a good idea of what model you have and help narrow down your search for a kdz/tot that will work. I would still check with the seller of the phone and seek some verification. If the auction site is reputable, you may have some recourse if the phone is not as it was sold as.

sdembiske said:
Power down the phone, pull off the back cover and take out the battery. There should be a white tag under it - make a note of all the letters and numbers there. Provided the tag hasn't been tampered with, it should provide a good idea of what model you have and help narrow down your search for a kdz/tot that will work. I would still check with the seller of the phone and seek some verification. If the auction site is reputable, you may have some recourse if the phone is not as it was sold as.
Click to expand...
Click to collapse
The physical label is easier to tamper with, than the actual software. Just go by my suggestion.. the MMI codes.

Liian said:
Well it didn't work. Anyway in download mode it show mi LG F500k. It's mean sth or it's normal name for g4
Click to expand...
Click to collapse
The member providing you with the codes to access the hidden menu seems to have forgotten that not all codes work for the same models (as he himself found out when he tried once before) - there are carrier firmware variations with locks imposed on being able to access some. IMEI's can be changed by 'snakeheads, pimps' ... and fraudulent sellers.
Frankly, you are lucky you haven't bricked your phone completely by flashing different model/carrier variants and if you had used the LG Flash Tool to install the H815 kdz variant he recommended, you most likely would have. The same member has, for a fact, provided misleading, misinformed and potentially very harmful advice to other less informed members.

Frankly, you are lucky you haven't bricked your phone completely by flashing different model/carrier variants and if you had used the LG Flash Tool to install the H815 kdz variant he recommended, you most likely would have.
Click to expand...
Click to collapse
What do you mean "if you had used the LG Flash Tool to install the H815 kdz variant he recommended, YOU MOST LIKELY WOULD HAVE" ??
How do you know for sure?? Have you tried it??? NO you havn't tried it, so you have no right to say "it would most likely brick it".
---------- Post added at 05:30 AM ---------- Previous post was at 05:17 AM ----------
Liian said:
Well it didn't work. Anyway in download mode it show mi LG F500k. It's mean sth or it's normal name for g4
Click to expand...
Click to collapse
Hey buddy, let's check whether your bootloader is unlockable before you do anything. Please download ADB (Android Debug Bridge)
Before we do anything, make sure "Enable OEM Unlock" and "USB Debugging" options are enabled.
Once you install ADB, open Command Prompt (Press Windows Key + R , then type 'cmd' and press Enter key)
Issue the following commands:
Code:
cd C:\adb
Code:
adb start-server
Code:
adb devices
At this point, your device should show up under the list of devices. If it doesn't issue the following commands to restart the ADB server:
Code:
adb kill-server
Code:
adb start-server
Then, check again whether the device is being detected
Code:
adb devices
If the device is not showing, please check whether drivers are properly installed
If the device is being shown, you can proceed to the following command:
Code:
adb reboot-bootloader
If the device just boots back to Android, then the bootloader is locked, and you could have any device aside from the H811 or H815 European version
If it boots into the bootloader, then you have either the H811 or the H815 European version, and you should be able to easily root, install TWRP and flash any variants kdz file.
Now, if you have got this far without booting back to Android, time to unlock bootloader:
Code:
fastboot oem unlock
Once complete, issue:
Code:
fastboot getvar unlock
If you get the message "Unlock: Yes", then you have successfully unlocked bootloader.
Hope this helps

sdembiske said:
the member providing you with the codes to access the hidden menu seems to have forgotten that not all codes work for the same models (as he himself found out when he tried once before) - there are carrier firmware variations with locks imposed on being able to access some. Imei's can be changed by 'snakeheads, pimps' ... And fraudulent sellers.
Frankly, you are lucky you haven't bricked your phone completely by flashing different model/carrier variants and if you had used the lg flash tool to install the h815 kdz variant he recommended, you most likely would have. The same member has, for a fact, provided misleading, misinformed and potentially very harmful advice to other less informed members.
Click to expand...
Click to collapse
let him try the codes first ok...
If it doesn't work, then you complain... Otherwise you be quiet
You have no right to talk on his behalf and tell what works and what doesnt ok... let him try and see

I successfully unlocked my H810 bootloader, but...

Hi all,
my H810 was initially bootloader-locked, so i checked its anti-rollback version in the hidden menu (SVC Menu->Version info->Anti-rollback Version) and i got "non-fusing device".
The phone worked fine, but i hate the word "locked", so i decided to flash a H811 20o kdz with LGUP.
Flashing was successfull, so i converted my H810 to a H811 and i unlocked the bootloader
Now i have TWRP and i can flash custom roms, BUT
...
I live outside US and my device is now a T-Mobile sim-locked H811 :crying: so i can't connect to any mobile network anymore!
Now i can't check my anti-rollback version: if i try in the hidden menu i get a "com.android.phone has stopped" message and i can't see the info i need.
I also tried with the
Code:
*#*#244773825625#*#*
sequence, but with the same result.
So, i have some questions for you experts:
1) there is another way to check if i have still a "non-fusing" device?
2) the anti-rollback version depends on the rom or on the hardware?
3) can i flash a H815 international kdz in order to restore network connectivity?
4) what else can i do?
thanks in advance

encol said:
Hi all,
my H810 was initially bootloader-locked, so i checked its anti-rollback version in the hidden menu (SVC Menu->Version info->Anti-rollback Version) and i got "non-fusing device".
The phone worked fine, but i hate the word "locked", so i decided to flash a H811 20o kdz with LGUP.
Flashing was successfull, so i converted my H810 to a H811 and i unlocked the bootloader
Now i have TWRP and i can flash custom roms, BUT
...
I live outside US and my device is now a T-Mobile sim-locked H811 :crying: so i can't connect to any mobile network anymore!
Now i can't check my anti-rollback version: if i try in the hidden menu i get a "com.android.phone has stopped" message and i can't see the info i need.
I also tried with the
Code:
*#*#244773825625#*#*
sequence, but with the same result.
So, i have some questions for you experts:
1) there is another way to check if i have still a "non-fusing" device?
2) the anti-rollback version depends on the rom or on the hardware?
3) can i flash a H815 international kdz in order to restore network connectivity?
4) what else can i do?
thanks in advance
Click to expand...
Click to collapse
1. You've must likely ruined the device by flashing H811 firmware. That is a big no on doing that.
2. Flashing H815 firmware will be the exact same never flash wrong model firmware.
3. Only way to regain network connectivity is if you flash back to H810 firmware that's meant for the device. (Hopefully you didn't loose your efs. If lost it's gone forever turning the device into a wifi only device).
Antirollback is hardware once changed by software.
Sent from my iPhone using Tapatalk

Thanks for your reply!
hyelton said:
Antirollback is hardware once changed by software.
Click to expand...
Click to collapse
can you explain better this point? (my english is not perfect )
if now i have a "fusing" device, can i brick it if i try to flash the H810 stock rom?

encol said:
Thanks for your reply!
can you explain better this point? (my english is not perfect )
if now i have a "fusing" device, can i brick it if i try to flash the H810 stock rom?
Click to expand...
Click to collapse
Yes you can. But it's the only way to make your phone completely working again.
LGUP will/should stop you if it detects antirollback.
Sent from my iPhone using Tapatalk

encol said:
Hi all,
my H810 was initially bootloader-locked, so i checked its anti-rollback version in the hidden menu (SVC Menu->Version info->Anti-rollback Version) and i got "non-fusing device".
The phone worked fine, but i hate the word "locked", so i decided to flash a H811 20o kdz with LGUP.
Flashing was successfull, so i converted my H810 to a H811 and i unlocked the bootloader
Now i have TWRP and i can flash custom roms, BUT
...
I live outside US and my device is now a T-Mobile sim-locked H811 :crying: so i can't connect to any mobile network anymore!
Now i can't check my anti-rollback version: if i try in the hidden menu i get a "com.android.phone has stopped" message and i can't see the info i need.
I also tried with the
Code:
*#*#244773825625#*#*
sequence, but with the same result.
So, i have some questions for you experts:
1) there is another way to check if i have still a "non-fusing" device?
2) the anti-rollback version depends on the rom or on the hardware?
3) can i flash a H815 international kdz in order to restore network connectivity?
4) what else can i do?
thanks in advance
Click to expand...
Click to collapse
where did you get this idea from? i know steadfasterx is working on something similar.
and as for h811 20o thats antirollback V3.
 @steadfasterX

raptorddd said:
where did you get this idea from? i know steadfasterx is working on something similar.
Click to expand...
Click to collapse
I followed some @autoprime suggestions

raptorddd said:
sequence, but with the same result.
So, i have some questions for you experts:
1) there is another way to check if i have still a "non-fusing" device?
2) the anti-rollback version depends on the rom or on the hardware?
3) can i flash a H815 international kdz in order to restore network connectivity?
4) what else can i do?
thanks in advance
where did you get this idea from? i know steadfasterx is working on something similar.
and as for h811 20o thats antirollback V3.
@steadfasterX
Click to expand...
Click to collapse
encol said:
I followed some @autoprime suggestions
Click to expand...
Click to collapse
Oh my...
That's why I do not share in public my method fully yet. And always saying and explaining about the fuses and anti rollback.. Read my unlock PoC thread..
Yes I'm working on exactly this. You should be able to flash and so convert a device to a h811 and so be able to unlock as you already achieved. But you made a big mistake.
Two tbh.
The first was not to read my PoC thread.
The second flashing a fusing firmware!!!
I believe that autoprime was trying to help but really I heavily test all possibilities and this is not such easy and risk free.
Ok so regarding your current problem.
You're kind of lost and you can flash only firmware with the same anti rollback. But it could be worse.
Head over to my PoC thread and come to IRC.
sfX
Sent from my LG-H815 using XDA Labs

steadfasterX said:
Oh my...
That's why I do not share in public my method fully yet. And always saying and explaining about the fuses and anti rollback.. Read my unlock PoC thread..
Yes I'm working on exactly this. You should be able to flash and so convert a device to a h811 and so be able to unlock as you already achieved. But you made a big mistake.
Two tbh.
The first was not to read my PoC thread.
The second flashing a fusing firmware!!!
I believe that autoprime was trying to help but really I heavily test all possibilities and this is not such easy and risk free.
Ok so regarding your current problem.
You're kind of lost and you can flash only firmware with the same anti rollback. But it could be worse.
Head over to my PoC thread and come to IRC.
sfX
Sent from my LG-H815 using XDA Labs
Click to expand...
Click to collapse
do you still need h811 deviceifo or partition you required. if so hit me or tecknofreak. i do not know how to. LOL

encol said:
Hi all,
my H810 was initially bootloader-locked, so i checked its anti-rollback version in the hidden menu (SVC Menu->Version info->Anti-rollback Version) and i got "non-fusing device".
The phone worked fine, but i hate the word "locked", so i decided to flash a H811 20o kdz with LGUP.
Flashing was successfull, so i converted my H810 to a H811 and i unlocked the bootloader
Now i have TWRP and i can flash custom roms, BUT
...
I live outside US and my device is now a T-Mobile sim-locked H811 :crying: so i can't connect to any mobile network anymore!
Now i can't check my anti-rollback version: if i try in the hidden menu i get a "com.android.phone has stopped" message and i can't see the info i need.
I also tried with the
Code:
*#*#244773825625#*#*
sequence, but with the same result.
So, i have some questions for you experts:
1) there is another way to check if i have still a "non-fusing" device?
2) the anti-rollback version depends on the rom or on the hardware?
3) can i flash a H815 international kdz in order to restore network connectivity?
4) what else can i do?
thanks in advance
Click to expand...
Click to collapse
Congradulations!!! Very good!! But can you show us some proof please ?

අධිරාජ (Adhirāja) said:
Congradulations!!! Very good!! But can you show us some proof please ?
Click to expand...
Click to collapse
What ... ? Proof that he screwed up his phone? Give your head a shake.
See post # 505 in steadfasterX's bootloader unlock thread. You are the type of member that needs to read it, understand, adopt it and take it to heart.

sdembiske said:
What ... ? Proof that he screwed up his phone? Give your head a shake.
See post # 505 in steadfasterX's bootloader unlock thread. You are the type of member that needs to read it, understand, adopt it and take it to heart.
Click to expand...
Click to collapse
If hes telling the truth then this is big success

අධිරාජ (Adhirāja) said:
If hes telling the truth then this is big success
Click to expand...
Click to collapse
I'm beginning to think you are either reading and/or comprehension challenged. If you look beyond the title of his thread and read and actually understand what his problems are currently, paying particular attention to steadfasterX's response, he has screwed himself somewhat with what he has done. He has no mobile network connection, he is stuck on his anti-rollback version and limited to what he can do now - that is not a successful unlock or major breakthrough. Rather than posting for posting's sake and trying to achieve Senior member status with little comprehension behind you, suggest you try and learn ....
IF you had actually read and understood anything in steadfasterX's bootloader unlock thread you would know that he has achieved a SUCCESSFUL unlock of an H810.

sdembiske said:
What ... ? Proof that he screwed up his phone? Give your head a shake.
See post # 505 in steadfasterX's bootloader unlock thread. You are the type of member that needs to read it, understand, adopt it and take it to heart.
Click to expand...
Click to collapse
sdembiske said:
I'm beginning to think you are either reading and/or comprehension challenged. If you look beyond the title of his thread and read and actually understand what his problems are currently, paying particular attention to steadfasterX's response, he has screwed himself somewhat with what he has done. He has no mobile network connection, he is stuck on his anti-rollback version and limited to what he can do now - that is not a successful unlock or major breakthrough. Rather than posting for posting's sake and trying to achieve Senior member status with little comprehension behind you, suggest you try and learn ....
IF you had actually read and understood anything in steadfasterX's bootloader unlock thread you would know that he has achieved a SUCCESSFUL unlock of an H810.
Click to expand...
Click to collapse
I only read when its necessary. I read first sentence or two and then normally ignore the rest unless I really have to. I have a busy life and have better things to do than read a forum...

අධිරාජ (Adhirāja) said:
I only read when its necessary. I read first sentence or two and then normally ignore the rest unless I really have to. I have a busy life and have better things to do than read a forum...
Click to expand...
Click to collapse
Well, well ... exactly ... YOU DIDN'T READ OR COMPREHEND ... your busy life seems to be comprised of ill-informed posts lately ... eh?

අධිරාජ (Adhirāja) said:
I only read when its necessary. I read first sentence or two and then normally ignore the rest unless I really have to. I have a busy life and have better things to do than read a forum...
Click to expand...
Click to collapse
Lol. Pls never flash a custom ROM or unlock.
Sent from my LG-H815 using XDA Labs

steadfasterX said:
Lol. Pls never flash a custom ROM or unlock.
Sent from my LG-H815 using XDA Labs
Click to expand...
Click to collapse
Hehe. Dont worry man, before i make any changes to my phone ill read EVERYTHING because im not going to risk losing such a good phone.
---------- Post added at 08:17 PM ---------- Previous post was at 08:12 PM ----------
sdembiske said:
Well, well ... exactly ... YOU DIDN'T READ OR COMPREHEND ... your busy life seems to be comprised of ill-informed posts lately ... eh?
Click to expand...
Click to collapse
When steadfasterx releases the final release ill read EVERYTHING bro.. give it some time... I know what's at risk

අධිරාජ (Adhirāja) said:
Hehe. Dont worry man, before i make any changes to my phone ill read EVERYTHING because im not going to risk losing such a good phone.
---------- Post added at 08:17 PM ---------- Previous post was at 08:12 PM ----------
When steadfasterx releases the final release ill read EVERYTHING bro.. give it some time... I know what's at risk
Click to expand...
Click to collapse
It IS released already..
Sent from my LG-H815 using XDA Labs

steadfasterX said:
It IS released already..
Sent from my LG-H815 using XDA Labs
Click to expand...
Click to collapse
Natural Selection at it's finest. Quoted wrong person woops

sdembiske said:
Well, well ... exactly ... YOU DIDN'T READ OR COMPREHEND ... your busy life seems to be comprised of ill-informed posts lately ... eh?
Click to expand...
Click to collapse
Boss... I read about 50% of USU method thread, understood about 90% of what I read. I'll read the rest when I actually perform it. I was wondering... whats the difference between the fastboot mode in the official unlock vs the USU method? Is it talking about the same thing??

I need some help downgrading/rooting my LG G4.

Hello amigos, just to clarify i'm new to XDA so lets get to it then shall we!
So I bought this LG G4 from a guy on eBay, and it basically just arrived today. So the weird thing about the device is, It has a Anti-Rollback Version 4. Ive personally never seen this especially in the UK. Isn't it just the US that's supposed to be effected by these issues???
Is there any way of getting around this or what ever?
Its on Android 6.0 and its the H815 variant, I've tried booting into the boot-loader and that doesn't work (Yes I've used ADB but that didn't work either I also used recovery which for some reason I can access but not the boot-loader ) This is the main issue. There is also something else that doesn't make any sense. The device has an update from LG, It downloads perfectly fine but when it goes to flash the update it just doesn't flash. It comes up with an error. That's all it says in the recovery, error. Yeah that's about it really. The phone works perfectly fine on 6.0 but I just wanted to see if one of the greight minds here could assist me with this issue or just upfront call me stupid for wasting my money on an old phone :laugh:.

Which H815 variant is it?
EU, USA, TR, Int'l?

LPCG7 said:
Which H815 variant is it?
EU, USA, TR, Int'l?
Click to expand...
Click to collapse
It looks to be the EU version to me. I cant be too sure though. Its running on the OPEN EU firmware though. (H81520D)

go to:
settings > about phone > hardware info

LPCG7 said:
go to:
settings > about phone > hardware info
Click to expand...
Click to collapse
Yes the model number is LG-H815. It doesn't say if its EU or INT or what ever.
Is this unusual?

Sileo2056 said:
Yes the model number is LG-H815. It doesn't say if its EU or INT or what ever.
Is this unusual?
Click to expand...
Click to collapse
That's on the page below. There it gives you software version....

mcduffie2010 said:
That's on the page below. There it gives you software version....
Click to expand...
Click to collapse
H81520D is the software version

you need to unlock the bootloader before accessing it first.
this is the only official way for so.
http://developer.lge.com/resource/mobile/RetrieveBootloader.dev
If I may ask to better assist you, what do you plan on doing exactly?

LPCG7 said:
you need to unlock the bootloader before accessing it first.
this is the only official way for so.
http://developer.lge.com/resource/mobile/RetrieveBootloader.dev
If I may ask to better assist you, what do you plan on doing exactly?
Click to expand...
Click to collapse
Firstly I plan on rooting and adding TWRP as I did on my old G3. I tried to use LG's method but it did not allow me to fastboot. When I used ADB it just well, restarted the phone. I used the command adb restart bootloader as it states on the unlocking site. I used administrative permissions. Whats unsual is, I can use adb restart recovery perfectly fine to get to the stock recovery.

The confusing thing for me is, the device has the antirollback version 4
Its the EU version of the H815. It makes no sense!!!!
I'm trying to figure out what could have caused this to happen mainly... The only version with antirollback version 4 is the LS991 ZVF... How is this even been done to this thing!? Its running on the H81520D firmware which 0 of them have the antirollback version 4 that i'm aware of. The bootloader is mysteriously inaccessible by anything I do! This is really bugging me now. Could this be a franken device?

Before proceeding further, check whether your device has SN 404 or other. It is found by removing your battery or checking on the box labels.

LPCG7 said:
Before proceeding further, check whether your device has SN 404 or other. It is found by removing your battery or checking on the box labels.
Click to expand...
Click to collapse
Nope it's sn 606....

Sileo2056 said:
Firstly I plan on rooting and adding TWRP as I did on my old G3. I tried to use LG's method but it did not allow me to fastboot. When I used ADB it just well, restarted the phone. I used the command adb restart bootloader as it states on the unlocking site. I used administrative permissions. Whats unsual is, I can use adb restart recovery perfectly fine to get to the stock recovery.
Click to expand...
Click to collapse
To begin with, I rooted mine by downgrading to LP stock rom as rooting MM is not quite easy using this link : https://forum.xda-developers.com/g4/help/how-downgrade-g4-h815-t3264864
Then I had FIsH twrp installed cause I couldn't unlock my BL using : https://forum.xda-developers.com/g4/development/locked-twrpinfish-locked-g4-devices-t3573048
>>ITS RISKY<<
Sileo2056 said:
The confusing thing for me is, the device has the antirollback version 4?
Click to expand...
Click to collapse
Secondly, yours has ARB v4. So there are some hardwork involved in finding a kdz that won't brick your G4 on flashing. As you say it is very much confusing. So do proceed ahead only after properly checking your informations and cross examining carefully.

LPCG7 said:
To begin with, I rooted mine by downgrading to LP stock rom as rooting MM is not quite easy using this link : https://forum.xda-developers.com/g4/help/how-downgrade-g4-h815-t3264864
Then I had FIsH twrp installed cause I couldn't unlock my BL using : https://forum.xda-developers.com/g4/development/locked-twrpinfish-locked-g4-devices-t3573048
>>ITS RISKY<<
Secondly, yours has ARB v4. So there are some hardwork involved in finding a kdz that won't brick your G4 on flashing. As you say it is very much confusing. So do proceed ahead only after properly checking your informations and cross examining carefully.
Click to expand...
Click to collapse
Many people are saying the H81520P KDZ file will work for me, apparently once I install it onto the device downgrading is pretty simple.
As for FIsH, eh... I cant figure it out at all. I was so confused by looking at the page for it, I was like eh...
EDIT: Every time I try to upload the KDZ to the device I get this. https://www.leonf.elhs.co/images/LGUP_05-01-18_11-50AM.png

Sileo2056 said:
Many people are saying the H81520P KDZ file will work for me, apparently once I install it onto the device downgrading is pretty simple.
As for FIsH, eh... I cant figure it out at all. I was so confused by looking at the page for it, I was like eh...
EDIT: Every time I try to upload the KDZ to the device I get this. https://www.leonf.elhs.co/images/LGUP_05-01-18_11-50AM.png
Click to expand...
Click to collapse
Installing FIsH is confusing at first...ask me more about it but with proper reading and carefully executing the steps you should be doing great:good:
This common error may be fixed by updating your LGUP DLL file. follow the first steps on https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803

LPCG7 said:
Installing FIsH is confusing at first...ask me more about it but with proper reading and carefully executing the steps you should be doing great:good:
This common error may be fixed by updating your LGUP DLL file. follow the first steps on https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803
Click to expand...
Click to collapse
Hurah, we are getting somewhere. Im now getting flashing fail and its not restating the device with that DLL!

Sileo2056 said:
Hurah, we are getting somewhere. Im now getting flashing fail and its not restating the device with that DLL!
Click to expand...
Click to collapse
You followed the steps as said to the letter?

LPCG7 said:
Installing FIsH is confusing at first...ask me more about it but with proper reading and carefully executing the steps you should be doing great:good:
This common error may be fixed by updating your LGUP DLL file. follow the first steps on https://forum.xda-developers.com/g4/help/lgup-install-kdz-mm-lp-t3249803
Click to expand...
Click to collapse
Yes i'm following the instructions to the letter. with LGUP. Still getting the error though.

is your phone restarting?

LPCG7 said:
is your phone restarting?
Click to expand...
Click to collapse
What happens is, follow the instructions on that LGUP thread that you sent me, I put the kdz in and restart lgup and then its on refurbish. I click start and the antirollback error appears on any KDZ I use apart from the H81520p_00_0314 which kicks out a Flash Fail error. Oh and thanks for helping me with this!

Will my H812 have less problems on lollipop?

This phone was given to me with marshmellow and im having the issue of not being able to update google play service among other things. the other issues im having might be the effect of the google play service. i just wanted to know if its worth attempting the downgrade on lollipop

shatheone said:
This phone was given to me with marshmellow and im having the issue of not being able to update google play service among other things. the other issues im having might be the effect of the google play service. i just wanted to know if its worth attempting the downgrade on lollipop
Click to expand...
Click to collapse
Depending on the underlying issue, you may still encounter the Play Services issue on Lollipop as you have on Marshmallow.
First, see if you can work the issue out on your current system.
- Delete cache and Data on Play Services.
- reset app preferences and reset default apps in the menu in the Apps folder in Settings.
- delete your Google account and re-install it.
- use LGUP-NEW to reinstall your Marshmallow rom (H81220). Check out this site for some H812 stock roms:
https://lg-firmwares.com/lg-h812-firmwares/
scroll down to the firmwares list and install the correct stock kdz - carrier and version
You can downgrade to Lollipop (H81210) using LGUP-NEW - frankly I haven't noticed a lot of difference between them but does have the current advantage of being rootable. Some members report better battery life but you will lose some security updates.

sdembiske said:
Depending on the underlying issue, you may still encounter the Play Services issue on Lollipop as you have on Marshmallow.
First, see if you can work the issue out on your current system.
- Delete cache and Data on Play Services.
- reset app preferences and reset default apps in the menu in the Apps folder in Settings.
- delete your Google account and re-install it.
- use LGUP-NEW to reinstall your Marshmallow rom (H81220). Check out this site for some H812 stock roms:
https://lg-firmwares.com/lg-h812-firmwares/
scroll down to the firmwares list and install the correct stock kdz - carrier and version
You can downgrade to Lollipop (H81210) using LGUP-NEW - frankly I haven't noticed a lot of difference between them but does have the current advantage of being rootable. Some members report better battery life but you will lose some security updates.
Click to expand...
Click to collapse
thanks for the reply, i actually did all of those things, including a factory reset. i will try to reinstall using lg up, maybe something in the stock image got corrupted? i learned that even if my phone boot loops, it wont be repaired as the serial number is out of range. so i might hold on to it until theres a good custom available

shatheone said:
thanks for the reply, i actually did all of those things, including a factory reset. i will try to reinstall using lg up, maybe something in the stock image got corrupted? i learned that even if my phone boot loops, it wont be repaired as the serial number is out of range. so i might hold on to it until theres a good custom available
Click to expand...
Click to collapse
Yes, very possible that something got corrupted. Definitely try a re-install of your stock kdz with LGUP-NEW.
If you haven't checked out steadfasterX's bootloader unlock thread, you will have to in order to install any custom rom with some assurance of success:
https://forum.xda-developers.com/g4/general/bl-unlock-unlock-bootloader-proof-t3648288
You might as well get started now as it won't be long before he publishes. You will have to install his SALT program and create a backup before proceeding to unlock your bootloader preparatory to installing any custom rom:
https://forum.xda-developers.com/g4/general/tool-salt-lg-revolution-t3717864

sdembiske said:
Yes, very possible that something got corrupted. Definitely try a re-install of your stock kdz with LGUP-NEW.
If you haven't checked out steadfasterX's bootloader unlock thread, you will have to in order to install any custom rom with some assurance of success:
https://forum.xda-developers.com/g4/general/bl-unlock-unlock-bootloader-proof-t3648288
You might as well get started now as it won't be long before he publishes. You will have to install his SALT program and create a backup before proceeding to unlock your bootloader preparatory to installing any custom rom:
https://forum.xda-developers.com/g4/general/tool-salt-lg-revolution-t3717864
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i couldnt get LG up to recognize my phone even after taking out the battery, so ill have to find another usb cable and try that. i see two different kdzs for my software version so ill have to research the correct one. and im not planning one unlocking the bootloader until theres a better way. id sell it before risking a brick

shatheone said:
i couldnt get LG up to recognize my phone even after taking out the battery, so ill have to find another usb cable and try that. i see two different kdzs for my software version so ill have to research the correct one. and im not planning one unlocking the bootloader until theres a better way. id sell it before risking a brick
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IF, you'd actually read steadfasterX's thread and in particular his latest update (last page on the thread, currently) ... you would realize there had already been a proof of a successful unlock of an H812. I suspect your phone has been screwed up by somebody who didn't know what they were doing in the first place. No one has done more work in this area and had more successes than steadfasterX - good luck for waiting for a better way or getting much trying to sell it - check ebay and see the prices - LOL.

sdembiske said:
IF, you'd actually read steadfasterX's thread and in particular his latest update (last page on the thread, currently) ... you would realize there had already been a proof of a successful unlock of an H812. I suspect your phone has been screwed up by somebody who didn't know what they were doing in the first place. No one has done more work in this area and had more successes than steadfasterX - good luck for waiting for a better way or getting much trying to sell it - check ebay and see the prices - LOL.
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i didnt mean any disrespect, but the process is still in alpha state. this is my only phone currently so i dont want to risk bricking it. i have no reason for unlocking bootloader when there isnt enough rom support to justify doing so

shatheone said:
i didnt mean any disrespect, but the process is still in alpha state. this is my only phone currently so i dont want to risk bricking it. i have no reason for unlocking bootloader when there isnt enough rom support to justify doing so
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The risk of bricking your phone has been minimized with steadfasterX's process - he has had a couple of successful unlocks of an H812 now and when he publishes it for the public, the risk will be minimized as much as it can be in any unlock case.
With respect to your phone not being recognized by LGUP-NEW. Make sure you have installed the LGMobileDriver_WHQL_Ver_4.2.0 available for download from the US LG site - the Windows driver will give you problems.

sdembiske said:
The risk of bricking your phone has been minimized with steadfasterX's process - he has had a couple of successful unlocks of an H812 now and when he publishes it for the public, the risk will be minimized as much as it can be in any unlock case.
With respect to your phone not being recognized by LGUP-NEW. Make sure you have installed the LGMobileDriver_WHQL_Ver_4.2.0 available for download from the US LG site - the Windows driver will give you problems.
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well i wouldnt care doing it if there was more rom support, i dont see a point in unlocking at this point. if im missing a benefit of unlocking right now, enlighten me. and thats the driver i already have installed

shatheone said:
well i wouldnt care doing it if there was more rom support, i dont see a point in unlocking at this point. if im missing a benefit of unlocking right now, enlighten me. and thats the driver i already have installed
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One benefit might be fixing your screwed up phone. Still didn't read the OP I guess as you were advised to in steadfasterX's bootloader unlock thread. Here's an idea ... before making summary judgements with little or no knowledge, perhaps you should check with the member that is sited in the "proof" for the H812 and post your questions there for the Roms he has tried. My understanding was that he was on Lineage for Nougat - the most popular downloaded custom rom for .... are you ready ... the H815/H811 - here's an idea ... why don't you check out ALL the roms that are for the H815/H811 in the Android Development section ... hmm ... really?

sdembiske said:
One benefit might be fixing your screwed up phone. Still didn't read the OP I guess as you were advised to in steadfasterX's bootloader unlock thread. Here's an idea ... before making summary judgements with little or no knowledge, perhaps you should check with the member that is sited in the "proof" for the H812 and post your questions there for the Roms he has tried. My understanding was that he was on Lineage for Nougat - the most popular downloaded custom rom for .... are you ready ... the H815/H811 - here's an idea ... why don't you check out ALL the roms that are for the H815/H811 in the Android Development section ... hmm ... really?
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if you took 10 seconds, you would see i actually posed in that thread. and all they did was direct me to the OP which says nothing about lineageos working for h812, or that the h815/ or h811 roms work for this variant. all it says is that i can flash nougat based roms. so the thread isnt too helpful, im not sure why you think it is.

shatheone said:
i didnt mean any disrespect, but the process is still in alpha state. this is my only phone currently so i dont want to risk bricking it. i have no reason for unlocking bootloader when there isnt enough rom support to justify doing so
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Hey man, i'm agreeing with you for most of this...
I'm also not going to risk anything until 10 H812 users have successfully unlocked bootloader and flashed a custom rom (one thats intended for h815 or h811) with steadfasterx's method. Maybe you can flash H815 custom roms once the bootloader is unlocked... but just to be safe, let's flash other stock carrier firmwares in the meantime...... in the end no matter what anyone says, its your phone at risk...
Member TheLatios381 and I were asking same question here:https://forum.xda-developers.com/g4...10-q2-2017-t3567402/post75742903#post75742903 because no answer to our question on steadfasterx's thread...