[URGENT] LG G4 (H812-20x) from MM to LP - G4 Q&A, Help & Troubleshooting

I've basically read everything there is to read. And got everything I need other than my stock LP kdz and my rooted system image. Can someone please tell me which images to use?
Antirollback: 0
I was told by someone on here that my phone can on fact be rooted.
Need help ASAP.

Ryoside said:
I've basically read everything there is to read. And got everything I need other than my stock LP kdz and my rooted system image. Can someone please tell me which images to use?
Antirollback: 0
I was told by someone on here that my phone can on fact be rooted.
Need help ASAP.
Click to expand...
Click to collapse
http://storagecow.eu/index.php?dir=Xda/LG+G4/
h812 canadian? its the first one .. but theres telus and videotron. i dont know wich one.. once you got that and make sure its LP..

raptorddd said:
http://storagecow.eu/index.php?dir=Xda/LG+G4/
h812 canadian? its the first one .. but theres telus and videotron. i dont know wich one.. once you got that and make sure its LP..
Click to expand...
Click to collapse
I've quite literally done everything. Step by step following the original root method. Everything goes fine until send command is involved. My phone's ports are showing COM1 and COM3. Neither is listed as "DIAG" like the instructions say.
I'm running 5.1 now not 6.0.

Ryoside said:
I've quite literally done everything. Step by step following the original root method. Everything goes fine until send command is involved. My phone's ports are showing COM1 and COM3. Neither is listed as "DIAG" like the instructions say.
I'm running 5.1 now not 6.0.
Click to expand...
Click to collapse
open the folder when in download mode... and click on port.bat whats does it says on DIAG1 ?? on mine its says COM15 ON DIAG1 so for example use 15
Send_Command.exe \\.\COM15 so what ever says on yours thats the number you need to place

raptorddd said:
open the folder when in download mode... and click on port.bat whats does it says on DIAG1 ?? on mine its says COM15 ON DIAG1 so for example use 15
Send_Command.exe \\.\COM15 so what ever says on yours thats the number you need to place
Click to expand...
Click to collapse
That's just it. There is no DIAG port. there's serial0 and something else. It used to show com5 for DIAG but now DIAG is gone.

Ryoside said:
That's just it. There is no DIAG port. there's serial0 and something else. It used to show com5 for DIAG but now DIAG is gone.
Click to expand...
Click to collapse
try another computer .. not sure whats goign on if its phone or pc related. if its pc then reformat..

raptorddd said:
try another computer .. not sure whats goign on if its phone or pc related. if its pc then reformat..
Click to expand...
Click to collapse
I can try that tomorrow. What if it's phone related? Only reason I ask is because it showed the DIAG port before I reverted to 5.1 lol. So it could be phone related. But I followed instructions. Used the Rogers image so I didn't lose my VoLTE feature. Everything on that end went off without a hitch.

Ryoside said:
I can try that tomorrow. What if it's phone related? Only reason I ask is because it showed the DIAG port before I reverted to 5.1 lol. So it could be phone related. But I followed instructions. Used the Rogers image so I didn't lose my VoLTE feature. Everything on that end went off without a hitch.
Click to expand...
Click to collapse
not sure maybe flash again or try another computer.. first..

raptorddd said:
http://storagecow.eu/index.php?dir=Xda/LG+G4/
h812 canadian? its the first one .. but theres telus and videotron. i dont know wich one.. once you got that and make sure its LP..
Click to expand...
Click to collapse
raptorddd said:
not sure maybe flash again or try another computer.. first..
Click to expand...
Click to collapse
I'll try and let you know. Can't seem to post screenshots with imgur. Any advice on what to use for posting pics?

Ryoside said:
I'll try and let you know. Can't seem to post screenshots with imgur. Any advice on what to use for posting pics?
Click to expand...
Click to collapse
i use tinypic, i also have trouble uploading from imageur

Related

[Q] Getting G3 Serviced?

hi everyone, ive been trying to diagnose whats wrong with my phone but i have no luck what so ever. http://forum.xda-developers.com/lg-g3/help/lg-g3-major-data-problems-t3037059
Im getting pretty sick of using this phone without mobile data because i need it for various things when im on the go. So is there anywhere i can send it out to get it fixed. i talked with lg and they said go to my provider, i talked with my provider and they said go to sprint. well i dont live in the states and dont have a passport so im kinda out of luck. is there anyway i can ship it to lg
directly
Rented.Sperry said:
hi everyone, ive been trying to diagnose whats wrong with my phone but i have no luck what so ever. http://forum.xda-developers.com/lg-g3/help/lg-g3-major-data-problems-t3037059
Im getting pretty sick of using this phone without mobile data because i need it for various things when im on the go. So is there anywhere i can send it out to get it fixed. i talked with lg and they said go to my provider, i talked with my provider and they said go to sprint. well i dont live in the states and dont have a passport so im kinda out of luck. is there anyway i can ship it to lg
directly
Click to expand...
Click to collapse
do you have an imei code check with *#06# if it shows a bunch of numbers = ok if not your efs partition is corrupted
you can also try and delte lteconfig from /system/app or /system/priv/app
suljo94 said:
do you have an imei code check with *#06# if it shows a bunch of numbers = ok if not your efs partition is corrupted
you can also try and delte lteconfig from /system/app or /system/priv/app
Click to expand...
Click to collapse
i tried tpying in those numbers and i got nothing? so how do i go about fixing that? and also for deleting lte config do you have to have root access.
Rented.Sperry said:
i tried tpying in those numbers and i got nothing? so how do i go about fixing that? and also for deleting lte config do you have to have root access.
Click to expand...
Click to collapse
how do you mean nothing happens?
did you typ
Code:
[SIZE="6"]*[/SIZE]#06#
suljo94 said:
how do you mean nothing happens?
did you typ
Code:
[SIZE="6"]*[/SIZE]#06#
Click to expand...
Click to collapse
yeah i just typed that in and its just sitting on the dial screen with *#06#, does nothing?
Rented.Sperry said:
yeah i just typed that in and its just sitting on the dial screen with *#06#, does nothing?
Click to expand...
Click to collapse
go to settings/about phone/status and see if there are 15 numbers under imei(don't typ them here)
suljo94 said:
go to settings/about phone/status and see if there are 15 numbers under imei(don't typ them here)
Click to expand...
Click to collapse
There is 15 numbers. so what do you think is wrong with it , because no one wants to service it so now im kinda screwed
Rented.Sperry said:
There is 15 numbers. so what do you think is wrong with it , because no one wants to service it so now im kinda screwed
Click to expand...
Click to collapse
do they match the numers on your box or the ones under your battery?
suljo94 said:
do they match the numers on your box or the ones under your battery?
Click to expand...
Click to collapse
That they do not. is that what is the problem or?
Rented.Sperry said:
That they do not. is that what is the problem or?
Click to expand...
Click to collapse
do they start with 35 or is it 000000000000000
suljo94 said:
do they start with 35
Click to expand...
Click to collapse
yeah they both do
Rented.Sperry said:
yeah they both do
Click to expand...
Click to collapse
there is some multiple zeros in a row unlike the one under my cover tho
Rented.Sperry said:
yeah they both do
Click to expand...
Click to collapse
did you compaired the imei from phone to the imei under battery and on phone sticker(important that you find imei on stickers and compair it with that)
suljo94 said:
did you compaired the imei from phone to the imei under battery and on phone sticker(important that you find imei on stickers and compair it with that)
Click to expand...
Click to collapse
yes they are different . the only thing the same is they both start with 35
Rented.Sperry said:
yes they are different . the only thing the same is they both start with 35
Click to expand...
Click to collapse
did you buy your phone 2nd hand?
suljo94 said:
did you buy your phone 2nd hand?
Click to expand...
Click to collapse
yes but the thing was it worked fine before. i got data.
but when i started the phone up before it said sprint spark. now when i start it, it just has a lg logo and thats it. does this mean the phone is screwed :/
Rented.Sperry said:
yes but the thing was it worked fine before. i got data.
but when i started the phone up before it said sprint spark. now when i start it, it just has a lg logo and thats it. does this mean the phone is screwed :/
Click to expand...
Click to collapse
your phone is only screwed when you give up!!
try getting kdz file with both imeis
here
do not download it shouldn't work for the ls990 but I think you have the wrong version installed so try it
suljo94 said:
your phone is only screwed when you give up!!
try getting kdz file with both imeis
here
do not download it shouldn't work for the ls990 but I think you have the wrong version installed so try it
Click to expand...
Click to collapse
you dont want me to download it just check if its the right firmware? isnt the ls980 a g2?
Rented.Sperry said:
you dont want me to download it just check if its the right firmware? isnt the ls980 a g2?
Click to expand...
Click to collapse
click download but abbort it, yes the ls980 is g2 but the ls990 doesn't have kdz either
suljo94 said:
click download but abbort it, yes the ls980 is g2 but the ls990 doesn't have kdz either
Click to expand...
Click to collapse
okay so i typed the one under my battery and it came up with lgls990 and said download firmware, when i typed the one in my phone in it came up with a blank screen. so does this mean i have the wrong version?

LG Unbrick

HI Guys,
need help....
I can't access the fastboot mode and if I go to the download mode, it says "Secure boot error".
And the windos device manger says, there is a device called "qhsusb_bulk".
Does any has a solution for that ?
Thx
http://forum.xda-developers.com/showthread.php?t=3072091
genevois26 said:
http://forum.xda-developers.com/showthread.php?t=3072091
Click to expand...
Click to collapse
thx for url, i got this error (look at the attachment). and thats the correct port...
jorin93 said:
thx for url, i got this error (look at the attachment). and thats the correct port...
Click to expand...
Click to collapse
if thats your screenshot some things are wrong. for example its G2 chip instead of G3 and restore boot img shouldnt be ticked. emmc test should be.
plus you have to install qualcomm 9008 driver to see whats the correct port.
adikinzor said:
if thats your screenshot some things are wrong. for example its G2 chip instead of G3 and restore boot img shouldnt be ticked. emmc test should be.
plus you have to install qualcomm 9008 driver to see whats the correct port.
Click to expand...
Click to collapse
Thx for ur reply.
I did follow ur correction, still doestn work.
I installed the driver for qualcomm 9008 driver, more ideas ?
jorin93 said:
Thx for ur reply.
I did follow ur correction, still doestn work.
I installed the driver for qualcomm 9008 driver, more ideas ?
Click to expand...
Click to collapse
Look if you have the correct port and the phone it's seen as qualcomm 9008 you must first do AP+EMMC test and when that's completed you ALSO tick SDRAM and press start again.[ dont disconnect the phone no matter how much time it takes to proceed] you have to wait about 5 minutes and then youll be in download mode. then just download LG flash tool and follow a tutorial to go back to stock with TOT files. important: you dont have to tick restore boot img. THIS WORKED FOR MY D855 .
thx for ur screenshots.
But exactly that, what I already did.
jorin93 said:
thx for ur screenshots.
But exactly that, what I already did.
Click to expand...
Click to collapse
what was the result?
adikinzor said:
what was the result?
Click to expand...
Click to collapse
It still says, that the device could be foundet in dload trying flash programmer...
jorin93 said:
It still says, that the device could be foundet in dload trying flash programmer...
Click to expand...
Click to collapse
did you use the board diag posted in this thread http://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091 ? It should work i used it 3 hours ago and unbricked mine (d855)
adikinzor said:
did you use the board diag posted in this thread http://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091 ? It should work i used it 3 hours ago and unbricked mine (d855)
Click to expand...
Click to collapse
yes, i did see it.
I also have 64x windows, so i did disable and enable the driver...
adikinzor said:
did you use the board diag posted in this thread http://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091 ? It should work i used it 3 hours ago and unbricked mine (d855)
Click to expand...
Click to collapse
What OS did you use. I am trying to fix my Verizon G3 and I am getting the failed to load programmer error as well.
agh1701 said:
What OS did you use. I am trying to fix my Verizon G3 and I am getting the failed to load programmer error as well.
Click to expand...
Click to collapse
it was win7 x64 i dont think it really matters. anyways, in the beggining i got that error too but with a different version of that software. 2.99a version was the only one which worked
adikinzor said:
it was win7 x64 i dont think it really matters. anyways, in the beggining i got that error too but with a different version of that software. 2.99a version was the only one which worked
Click to expand...
Click to collapse
Can u send me the url to the .tot file, which u did use?
jorin93 said:
Can u send me the url to the .tot file, which u did use?
Click to expand...
Click to collapse
I used V10E 32g . you can download it using this link http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/D855+TOTs/
i think this is for verizon http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/Verizon+VS985/
adikinzor said:
I used V10E 32g . you can download it using this link http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/D855+TOTs/
i think this is for verizon http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/Verizon+VS985/
Click to expand...
Click to collapse
I used http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/D855+TOTs//LGD855AT-V10e-EUR-16G.zip
because I have the G3 855 16GB.
adikinzor said:
it was win7 x64 i dont think it really matters. anyways, in the beggining i got that error too but with a different version of that software. 2.99a version was the only one which worked
Click to expand...
Click to collapse
I cannot get 2.99a to work on 8.1 or maybe because it's a verizon G3. Won't have access to to a 7 machine until tomorrow.
agh1701 said:
I cannot get 2.99a to work on 8.1 or maybe because it's a verizon G3. Won't have access to to a 7 machine until tomorrow.
Click to expand...
Click to collapse
you could install win7 in virtual machine (vmware) and then try. didnt know that software didnt work on win8
it should work with any model as long as you choose the right tot. our phones have the same chip (8974AC)
adikinzor said:
you could install win7 in virtual machine (vmware) and then try. didnt know that software didnt work on win8
it should work with any model as long as you choose the right tot. our phones have the same chip (8974AC)
Click to expand...
Click to collapse
I could, thanks. I am all ready running hyper-v. Installing vmware might cause problems with my hyper-v machines.
agh1701 said:
I could, thanks. I am all ready running hyper-v. Installing vmware might cause problems with my hyper-v machines.
Click to expand...
Click to collapse
Try and let us know
Sent from my LG-D855 using XDA Free mobile app

[Q] Secure Booting Error

Hello!
I have just rooted my G3, and I thought I'd also flash custom recovery and unlock bootloader with Bump. However when I did that, and phone attempted to reboot, it doesn't boot and says "secure booting error". I know there had been many questions around this topic, but non had helped me. What is the easiest way to "undo" this? Unbricking? Unrooting?
Thanks for patience and help!
The easiest way is to use the kdz tool, you can follow this tutorial here: http://forum.xda-developers.com/showthread.php?t=2785089
RapHaeL_4_4_4_ said:
The easiest way is to use the kdz tool, you can follow this tutorial here: http://forum.xda-developers.com/showthread.php?t=2785089
Click to expand...
Click to collapse
but how do I know which stock image and DLL file to download? I have D855 and running lollipop. I'm not sure what to download.
And also, what does TOT stand for?
KristjanBerce said:
but how do I know which stock image and DLL file to download? I have D855 and running lollipop. I'm not sure what to download.
And also, what does TOT stand for?
Click to expand...
Click to collapse
I don't know what does TOT stand for and personally I use the kds method, I think its the easiest.
You can download KDZ from here: http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/
Kdz for the D855 on lollipop here: http://storagecow.eu/index.php?dir=Xda/LG+G3/Stock/Lollipop+5.0/D855/
And just to let you know, bump only work on kitkat, so if you want to use bump you need to downgrade to kitkat before using it, otherwise you get this error
RapHaeL_4_4_4_ said:
I don't know what does TOT stand for and personally I use the kds method, I think its the easiest.
And just to let you know, bump only work on kitkat, so if you want to use bump you need to downgrade to kitkat before using it, otherwise you get this error
Click to expand...
Click to collapse
ok thank you.
I have another kida stupid question but how do I know which link to download? I mean I know its 855, but I am not sure about the letters afer that.. Is there any way to find it, since I cant turn my phone on?
KristjanBerce said:
ok thank you.
I have another kida stupid question but how do I know which link to download? I mean I know its 855, but I am not sure about the letters afer that.. Is there any way to find it, since I cant turn my phone on?
Click to expand...
Click to collapse
The letter after is the OS version, so for example if you watch the D855 lollipop folder you have:
D85519C
D85519H
D85520A
D85520H <-- This is the most recent
The higher the number and letter is, the newest the software is.
And if the name start with D855***, your device is compatible.
Hope this help, if you have any other question, don't hesitate
RapHaeL_4_4_4_ said:
The letter after is the OS version, so for example if you watch the D855 lollipop folder you have:
D85519C
D85519H
D85520A
D85520H <-- This is the most recent
The higher the number and letter is, the newest the software is.
And if the name start with D855***, your device is compatible.
Hope this help, if you have any other question, don't hesitate
Click to expand...
Click to collapse
thank you sooo much! I will try as soon kdz will download. meanwhile, what exactly does this do?
KristjanBerce said:
thank you sooo much! I will try as soon kdz will download. meanwhile, what exactly does this do?
Click to expand...
Click to collapse
It reset your phone, reinstall everything on it (Bootloader, OS, recovery, etc..)

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!

How can I solve this problem? (A520F)

Hello! I upload a capture of all the errors. I'm very interested in solving the IMEI. Thanks for your help!
On stock firmware does it show a correct IMEI?
If so, the problem is random flashing.
Do you have backup of the .cert and or .efs files?
If so, search on how to use them.
If you know the IMEI and it is network blacklisted, use a service for unlocking it. Online you can find it.
I hope I helped.
Kauris said:
On stock firmware does it show a correct IMEI?
If so, the problem is random flashing.
Do you have backup of the .cert and or .efs files?
If so, search on how to use them.
If you know the IMEI and it is network blacklisted, use a service for unlocking it. Online you can find it.
I hope I helped.
Click to expand...
Click to collapse
Hi. Thanks for your answer. In all the firmware I do not have IMEI (unknown). And I do not have a copy of .cert or .efs
DaniPS2002 said:
Hi. Thanks for your answer. In all the firmware I do not have IMEI (unknown). And I do not have a copy of .cert or .efs
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Click to collapse
I don't know if it helps, but when I flashed a Combination for my phone, when i had an unknown IMEI, it showed me one working and network working too but I don't know if you can make use of that IMEI or even if it is valid.
And solved my unknown IMEI just by flashing last stock rom.
If you have your phone rooted, you can extract those files via adb, plenty of tutorials online.
Kauris said:
I don't know if it helps, but when I flashed a Combination for my phone, when i had an unknown IMEI, it showed me one working and network working too but I don't know if you can make use of that IMEI or even if it is valid.
And solved my unknown IMEI just by flashing last stock rom.
If you have your phone rooted, you can extract those files via adb, plenty of tutorials online.
Click to expand...
Click to collapse
Ok. I will try this. Thanks again!. What combination did you install? Could you pass me?
DaniPS2002 said:
Ok. I will try this. Thanks again!. What combination did you install? Could you pass me?
Click to expand...
Click to collapse
The combination "os" is not a full os, is like a test one, so i would not recommend you to install it.
Here you can find it, the page need you to be registered and to pay for a fastest download, none the less, it can be downloaded without paying but it is a little bit slower
https://firmware.gem-flash.com
Remember that you need XXU4
Kauris said:
The combination "os" is not a full os, is like a test one, so i would not recommend you to install it.
Here you can find it, the page need you to be registered and to pay for a fastest download, none the less, it can be downloaded without paying but it is a little bit slower
https://firmware.gem-flash.com
Remember that you need XXU4
Click to expand...
Click to collapse
Thank you! Although I can not find a combination XXU4. I'll wait for it to be available
DaniPS2002 said:
Thank you! Although I can not find a combination XXU4. I'll wait for it to be available
Click to expand...
Click to collapse
Check if this one works out.
https://firmware.gem-flash.com/index.php?a=browse&b=file-info&id=41406
Edit: Flash it on AP/PDA btw.
Kauris said:
Check if this one works out.
https://firmware.gem-flash.com/index.php?a=browse&b=file-info&id=41406
Edit: Flash it on AP/PDA btw.
Click to expand...
Click to collapse
I need a paid account?
DaniPS2002 said:
I need a paid account?
Click to expand...
Click to collapse
You dont need a paid one, but paying is speedin'.
Not so slow without paying.
Ok and now? My phone is in a menu with some options
DaniPS2002 said:
Ok and now? My phone is in a menu with some options
Click to expand...
Click to collapse
Slide the upper menu and get to config, in device info or something you should find an IMEI and you probably have noticed that the phone is connected to the network, or that was what was shown to me.
Kauris said:
Slide the upper menu and get to config, in device info or something you should find an IMEI and you probably have noticed that the phone is connected to the network, or that was what was shown to me.
Click to expand...
Click to collapse
Same situation mate
DaniPS2002 said:
Same situation mate
Click to expand...
Click to collapse
Hm what is left is just to flash stock, keep it in a wifi connection 168 hours and then flash twrp for rooting the phone and getting those files, lets hope they are not corrupted.
The waiting it is because samsung have seven days as the time.for the bootloader to be unlocked and allowing the phone to be modified.
Good luck.
Also, if you are interested in more details about the waiting for rooting:
https://forum.xda-developers.com/sa...w-to/guide-root-install-twrp-samsung-t3747535

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