Develop Bugs

[Q] LG G3 Stuck on fastboot! [FIXED!!!!!]

I was trying to install TWRP on my phone (LS990, ZV8) using flashify app. This didn't work and after I did so, every time I would try to "reboot into recovery" the phone would get stuck and I would need to pull the battery out. I then read somewhere that the fix was to delete the aboot.img and install the kitkat aboot.img . I tried to do that, and afterwards my phone won't boot at all. It gets stuck and screen turns black and the LED flashes. It sometimes gives me an error message about the bootloader I think. If I try to boot into Download mode, it (sometimes) takes me straight into fastboot instead. When I try to run fastboot and type "devices" I either get back nothing or now I get back a "?". Maybe I don't have the proper driver. Please Please help!!!
Upsdate: Ok so I played with the drivers and although I still can't get a response to "fastboot devices" I tried to flash a recovery and I can get response on the phone to some degree. It says "fastboot: getwarartition-type:recovery" but the cmd prompt on the computer says "cannot load recovery.img".
Maybe I just need to try and flash a bootloader or a download mode. Anyone know where I can get an laf for download mode. Or Have any directions?
Please help me!!!
UPDATE: FIXED IT!!!! What I did was use fastboot to load up an laf.img that I was able to download from someone on here (took a lot of searching to find an laf.img). Even though I was unable to flash the laf (tried a bunch of times and it always gave me that "failure to write" error right at the end), I was able to use fastboot to boot up the laf.img that was on my computer and that got the phone into download mode. Bear in mind that I still wouldn't get the serial number back from "fastboot devices" so if you're having this problem and it doesn't give you the serial number back it's ok. Just try to run some fastboot commands and see if you get a response on the phone, that way you'll know if fastboot is working. Anyway, I was then able to restore it via LGFlashtool. So yup, its fixable!

MWGiants said:
I was trying to install TWRP on my phone (LS990, ZV8) using flashify app. This didn't work and after I did so, every time I would try to "reboot into recovery" the phone would get stuck and I would need to pull the battery out. I then read somewhere that the fix was to delete the aboot.img and install the kitkat aboot.img . I tried to do that, and afterwards my phone won't boot at all. It gets stuck and screen turns black and the LED flashes. It sometimes gives me an error message about the bootloader I think. If I try to boot into Download mode, it (sometimes) takes me straight into fastboot instead. When I try to run fastboot and type "devices" I either get back nothing or now I get back a "?". Maybe I don't have the proper driver. Please Please help!!!
Upsdate: Ok so I played with the drivers and although I still can't get a response to "fastboot devices" I tried to flash a recovery and I can get response on the phone to some degree. It says "fastboot: getwarartition-type:recovery" but the cmd prompt on the computer says "cannot load recovery.img".
Maybe I just need to try and flash a bootloader or a download mode. Anyone know where I can get an laf for download mode. Or Have any directions?
Please help me!!!
Click to expand...
Click to collapse
Unfortunately its hard bricked and the repair center will know that you tampered with it. The nature of the LG bootloader makes it so that you cant write or boot any images using fastboot.
What was wrong with your method is, when you downgrade to KitKat android bootloader you have to also downgrade the bootloader, laf and recovery partition or other wise it bricks. You should have downgraded your phone using LG Flash Tool to KitKat and then root and install whatever you wanted
In your case the version mismatch between your aboot, bootloader and laf partition is the reason why it doesnt work

MWGiants said:
I was trying to install TWRP on my phone (LS990, ZV8) using flashify app. This didn't work and after I did so, every time I would try to "reboot into recovery" the phone would get stuck and I would need to pull the battery out. I then read somewhere that the fix was to delete the aboot.img and install the kitkat aboot.img . I tried to do that, and afterwards my phone won't boot at all. It gets stuck and screen turns black and the LED flashes. It sometimes gives me an error message about the bootloader I think. If I try to boot into Download mode, it (sometimes) takes me straight into fastboot instead. When I try to run fastboot and type "devices" I either get back nothing or now I get back a "?". Maybe I don't have the proper driver. Please Please help!!!
Upsdate: Ok so I played with the drivers and although I still can't get a response to "fastboot devices" I tried to flash a recovery and I can get response on the phone to some degree. It says "fastboot: getwarartition-type:recovery" but the cmd prompt on the computer says "cannot load recovery.img".
Maybe I just need to try and flash a bootloader or a download mode. Anyone know where I can get an laf for download mode. Or Have any directions?
Please help me!!!
Click to expand...
Click to collapse
If, as you say, you can enter Download Mode, you could try this Method by @hyelton :- http://forum.xda-developers.com/showthread.php?t=2785089. Any problems ask in that Thread, they will try and Help. GOOD LUCK.......:good:

itsbighead said:
Unfortunately its hard bricked and the repair center will know that you tampered with it. The nature of the LG bootloader makes it so that you cant write or boot any images using fastboot.
What was wrong with your method is, when you downgrade to KitKat android bootloader you have to also downgrade the bootloader, laf and recovery partition or other wise it bricks. You should have downgraded your phone using LG Flash Tool to KitKat and then root and install whatever you wanted
In your case the version mismatch between your aboot, bootloader and laf partition is the reason why it doesnt work
Click to expand...
Click to collapse
OK sir, I fixed it so clearly it was not hard bricked (don't say that if you aren't sure, it would have cost me plenty of money to replace that had I not known better). What I did was use fastboot to load up an laf.img that I was able to download from someone on here. Even though I was unable to flash the laf, I was able to use fastboot to boot up the laf.img that was on my computer and that got the phone into download mode. I was then able to restore it via LGFlashtool. So yup, its fixable!
573v3 said:
If, as you say, you can enter Download Mode, you could try this Method by @hyelton :- http://forum.xda-developers.com/showthread.php?t=2785089. Any problems ask in that Thread, they will try and Help. GOOD LUCK.......:good:
Click to expand...
Click to collapse
Yeah, once I got it into download mode (that was the whole problem, I was stuck in fastboot) I was able to fix it.

MWGiants said:
OK sir, I fixed it so clearly it was not hard bricked (don't say that if you aren't sure, it would have cost me plenty of money to replace that had I not known better). What I did was use fastboot to load up an laf.img that I was able to download from someone on here. Even though I was unable to flash the laf, I was able to use fastboot to boot up the laf.img that was on my computer and that got the phone into download mode. I was then able to restore it via LGFlashtool. So yup, its fixable!
Yeah, once I got it into download mode (that was the whole problem, I was stuck in fastboot) I was able to fix it.
Click to expand...
Click to collapse
congrats. it is good to know it is fixable

That's awesome to hear. It seems that booting the laf partition does not actually work under fastboot mode for D855 variants which is why I thought it wouldn't work for you
Sent from my iPad using Tapatalk

That's great. And what fastboot commands did you use to execute the laf from your computer ?
Verstuurd vanaf mijn HTC One_M8 met Tapatalk

Hakem said:
That's great. And what fastboot commands did you use to execute the laf from your computer ?
Verstuurd vanaf mijn HTC One_M8 met Tapatalk
Click to expand...
Click to collapse
Fastboot boot laf.img
But beware this doesnt work for D855. His LS980 has a unlocked bootloader

Ok thanks
Verstuurd vanaf mijn HTC One_M8 met Tapatalk

MWGiants said:
I was trying to install TWRP on my phone (LS990, ZV8) using flashify app. This didn't work and after I did so, every time I would try to "reboot into recovery" the phone would get stuck and I would need to pull the battery out. I then read somewhere that the fix was to delete the aboot.img and install the kitkat aboot.img . I tried to do that, and afterwards my phone won't boot at all. It gets stuck and screen turns black and the LED flashes. It sometimes gives me an error message about the bootloader I think. If I try to boot into Download mode, it (sometimes) takes me straight into fastboot instead. When I try to run fastboot and type "devices" I either get back nothing or now I get back a "?". Maybe I don't have the proper driver. Please Please help!!!
Upsdate: Ok so I played with the drivers and although I still can't get a response to "fastboot devices" I tried to flash a recovery and I can get response on the phone to some degree. It says "fastboot: getwarartition-type:recovery" but the cmd prompt on the computer says "cannot load recovery.img".
Maybe I just need to try and flash a bootloader or a download mode. Anyone know where I can get an laf for download mode. Or Have any directions?
Please help me!!!
UPDATE: FIXED IT!!!! What I did was use fastboot to load up an laf.img that I was able to download from someone on here (took a lot of searching to find an laf.img). Even though I was unable to flash the laf (tried a bunch of times and it always gave me that "failure to write" error right at the end), I was able to use fastboot to boot up the laf.img that was on my computer and that got the phone into download mode. Bear in mind that I still wouldn't get the serial number back from "fastboot devices" so if you're having this problem and it doesn't give you the serial number back it's ok. Just try to run some fastboot commands and see if you get a response on the phone, that way you'll know if fastboot is working. Anyway, I was then able to restore it via LGFlashtool. So yup, its fixable!
Click to expand...
Click to collapse
Hey bro i m having same issue ! Can you please explain laf.img , i tried twrp.img !
What does 'laf' means

bikrame said:
Hey bro i m having same issue ! Can you please explain laf.img , i tried twrp.img !
What does 'laf' means
Click to expand...
Click to collapse
Hi, sorry for the late reply. I hope you've already fixed it, but if you're still having this problem then let me explain. "laf.img" is the "download mode" partition. The reason you can't use twrp.img (which is a recovery partition image) is because you're "too far gone" so to speak and not even at the point to try and get into recovery. You need to restore download mode first. If you have fastboot properly working (not going to explain that, look it up, there is plenty of info about that on here and other sites), then you can do what I did. (Although from what other people are saying if you have a D855 it will have a locked bootloader and this won't work, I cant tell you about that because I don't have one and haven't played around with one). Anyway, if you have fastboot working properly (read my first post about how it can be working as long as the phone is responsive, even if you don't get back the "devices comman", you may need to play around with the drivers to get this to work) then you need to obtain an laf.img from somwhere. I found a complete set of .img's for my model somewhere (don't remember if it was on this site or somewhere else). It took a lot of searching, but I'm sure you can find one. Once you have that and the working fastboot then run the command "fastboot boot [location of your laf.img]laf.img"
GOOD LUCK!!!

itsbighead said:
That's awesome to hear. It seems that booting the laf partition does not actually work under fastboot mode for D855 variants which is why I thought it wouldn't work for you
Sent from my iPad using Tapatalk
Click to expand...
Click to collapse
That's interesting...do you have any idea why that would be? Is it a locked bootloader like someone else mentioned? (I don't know much about the D855 model, never got to play with one). Maybe there is a workaround we can come up with...

itsbighead said:
Unfortunately its hard bricked and the repair center will know that you tampered with it. The nature of the LG bootloader makes it so that you cant write or boot any images using fastboot.
What was wrong with your method is, when you downgrade to KitKat android bootloader you have to also downgrade the bootloader, laf and recovery partition or other wise it bricks. You should have downgraded your phone using LG Flash Tool to KitKat and then root and install whatever you wanted
In your case the version mismatch between your aboot, bootloader and laf partition is the reason why it doesnt work
Click to expand...
Click to collapse
I realized the problem with the mismatched aboot after the fact... ironically it all worked out because after all of this I am now back to the original kitkat and can just root and flash as you said lol.

Complete Fix Guide
http://forum.xda-developers.com/spr...y-download-t3053985/post60106965#post60106965

Can you please post where you got your laf file? I have the same problem :crying:

MWGiants said:
I was trying to install TWRP on my phone (LS990, ZV8) using flashify app. This didn't work and after I did so, every time I would try to "reboot into recovery" the phone would get stuck and I would need to pull the battery out. I then read somewhere that the fix was to delete the aboot.img and install the kitkat aboot.img . I tried to do that, and afterwards my phone won't boot at all. It gets stuck and screen turns black and the LED flashes. It sometimes gives me an error message about the bootloader I think. If I try to boot into Download mode, it (sometimes) takes me straight into fastboot instead. When I try to run fastboot and type "devices" I either get back nothing or now I get back a "?". Maybe I don't have the proper driver. Please Please help!!!
Upsdate: Ok so I played with the drivers and although I still can't get a response to "fastboot devices" I tried to flash a recovery and I can get response on the phone to some degree. It says "fastboot: getwarartition-type:recovery" but the cmd prompt on the computer says "cannot load recovery.img".
Maybe I just need to try and flash a bootloader or a download mode. Anyone know where I can get an laf for download mode. Or Have any directions?
Please help me!!!
UPDATE: FIXED IT!!!! What I did was use fastboot to load up an laf.img that I was able to download from someone on here (took a lot of searching to find an laf.img). Even though I was unable to flash the laf (tried a bunch of times and it always gave me that "failure to write" error right at the end), I was able to use fastboot to boot up the laf.img that was on my computer and that got the phone into download mode. Bear in mind that I still wouldn't get the serial number back from "fastboot devices" so if you're having this problem and it doesn't give you the serial number back it's ok. Just try to run some fastboot commands and see if you get a response on the phone, that way you'll know if fastboot is working. Anyway, I was then able to restore it via LGFlashtool. So yup, its fixable!
Click to expand...
Click to collapse
can you please help. adb shows my device and fastboot wont. when i type in fastboot devices it doesnt show anything. tried to run commands but it always gets stuck on waiting for device..

MWGiants said:
(Although from what other people are saying if you have a D855 it will have a locked bootloader and this won't work,
Click to expand...
Click to collapse
What to do with D855 than, my friend have D855 and it's stcked in fastboot mode, doesn't allow to flash anything?

lg g3 f410 stuck at fastboot
i tried the solution it didnot work. phone accepts the cmds but remain stuck at fastboot any other method?

[Q] fastboot flash system system.img FAILED <remote: Permission denied>, need fix

[Q] fastboot flash system system.img FAILED <remote: Permission denied>, need fix
Hey,
I have a ZE551ML and want to install CM. I am following the guide here. I have run into a problem on the first step which points to the guide here. At step 7 of this guide it has me use the command: fastboot flash system system.img. This fails with the error in the title of this post: FAILED <remote: Permission denied>. I have been googling this and no one has a concrete solution. Currently my phone will not even boot as the three fastboot commands before this one worked just fine and replaced the files. Any help would be greatly appreciated!
Cheers,
Eric.

Even though it'll say permission denied, flashing recovery WILL work. From there you can either flash a custom ROM (from twrp) or reflash stock firmware (through stock recovery).
That's the only fix I've found. To flash a usable ROM and boot into it. May need to turn on USB debugging in dev options. But after doing those two things, fastboot will stop with the permission denied issues.

Hey, thanks for the quick reply.
Currently the phone does not boot at all.
What do you mean by flashing recovery?
When I enter recovery mode at the moment it says applying update and then gives me the android on its side with the red triangle and error! below it.
So i can't currently flash though recovery mode as far as I can tell.

eric_lensherr said:
Hey, thanks for the quick reply.
Currently the phone does not boot at all.
What do you mean by flashing recovery?
When I enter recovery mode at the moment it says applying update and then gives me the android on its side with the red triangle and error! below it.
So i can't currently flash though recovery mode as far as I can tell.
Click to expand...
Click to collapse
Found a guide here dealing with this error, working on it.

Hey,
So I got my phone unbricked by flashing the recovery with the stock ASUS firmware "ASUS ZenFone 2=ZE551ML(Z00AD/Z00ADA/Z00ADB/Z00ADC) software Image: V2.19.40.22 for WW SKU only" available at the ASUS official website and following a guide at an outside link that I can't post.
Now, I have enabled developer mode and turned on USB debugging but am now getting the permission denied on all fastboot commands of the OTA guide, step 7.
Does anyone know a good next step?

Hey, managed to root the phone with: Temporary CWM

After setting USB debug on did you connect the phone to PC via USB and authenticated the PC? When you connect the phone to PC via USB with debugging on, it should pop up a window on the phone after a few seconds asking you for permission for the PC. You can checkmark the box that says always trust this computer's RSA fingerprints or something along those lines.
Hope this helps!

rlaw said:
After setting USB debug on did you connect the phone to PC via USB and authenticated the PC? When you connect the phone to PC via USB with debugging on, it should pop up a window on the phone after a few seconds asking you for permission for the PC. You can checkmark the box that says always trust this computer's RSA fingerprints or something along those lines.
Hope this helps!
Click to expand...
Click to collapse
Yes, I did do this but I have now checked the check mark to make it always trust my computer. I then booted into fastboot but still get permission denied despite having root through CWM and having this checked off.
When I got root through CWM by the fastboot tethered recovery it gave me permission denied on all steps but it still booted into CWM recovery. I was then able to install SuperSU to root it, though it gave me an error, and I used Root Checkerr to see if the phone was rooted. It says it is but I am still unable to flash any images onto the phone since I re-installed the stock firmware.
I'm super confused about this whole thing, IDK what to do now.

Flash stock recovery again and adb sideload the stock firmware all over.
This is the latest up-to-date 2.20.40.59 firmware: http://dlcdnet.asus.com/pub/ASUS/ZenFone/ZE551ML/UL-Z00A-WW-2.20.40.59-user.zip
If that doesn't work then idk. You can Google the permission denied errors for fastboot like I did and there are various possible problems/solutions.

So, none of this is working.
I installed the latest firmware as you suggested and got root again by using Temporary CWM. However despite anything I try (been googling for hours with little help found) I cannot get the phone to let me flash anything I always get the permission denied error.

eric_lensherr said:
So, none of this is working.
I installed the latest firmware as you suggested and got root again by using Temporary CWM. However despite anything I try (been googling for hours with little help found) I cannot get the phone to let me flash anything I always get the permission denied error.
Click to expand...
Click to collapse
You can still flash recovery via fastboot even though it'll say permission denied it works. That's all you really need to do as you can install stock firmware via stock recovery or flash ROMs and whatever else through twrp recovery.

rlaw said:
You can still flash recovery via fastboot even though it'll say permission denied it works. That's all you really need to do as you can install stock firmware via stock recovery or flash ROMs and whatever else through twrp recovery.
Click to expand...
Click to collapse
How can i tell if twrp recovery is successfully installed?

Hey, took a few days to cool off.
So it does seem I can replace recovery even though it says permission denied. I do this by using fastboot to flash the recovery, then from the bootloader on the phone I select restart bootloader and then when the bootloader re-appears I enter recovery mode ( I do this to prevent the possible replacing of the custom recovery by the stock OS). However recovery mode never boots when the latest twrp recovery is on the phone, I just end up back in the bootloader. When I flash the stock recovery back on this method successfully enters recovery mode. This also occurs if I just directly enter recovery mode after flashing twrp recovery.
Any thoughts?

eric_lensherr said:
So, none of this is working.
I installed the latest firmware as you suggested and got root again by using Temporary CWM. However despite anything I try (been googling for hours with little help found) I cannot get the phone to let me flash anything I always get the permission denied error.
Click to expand...
Click to collapse
Same here. I'm using elevated cmd, and fastboot is recognizing my device. But I can't flash anything, can't erase cahce, can't reformat partitions. Always failed due to permissions. And I'm stuck in a bootloop, and can't get to recovery (it just goes back into the bootloop when I try). Literally the only avenue I have to interact with this phone is fastboot, and I can't do anything with it.

D855 Stuck at Boot Screen

So I think I've gone and bricked my LG G3.
After the ROM I was using, cm-13.0-20160322-NIGHTLY-d855 (CM13 March 22nd) from here, kept freezing 20 seconds after startup, I went to update to cm-13.0-20160325-NIGHTLY-d855 (CM13 March 25th). I booted into recovery (TWRP 2.8.7.0) as usual and went to flash both the ROM's .zip file and an Opengapps .zip file using TWRP's queue feature. However, it appeared to get stuck at a line (unfortunately I don't remember what it said exactly. Something involving patching system, I think), so I pulled the battery. I get the feeling this was a super not good thing to do, as my G3 now sits at the "LG - Life's Good" screen indefinitely. Holding Power+Vol.Down does not boot into Recovery, and neither does holding Vol.Up and plugging into my computer activate Download mode.
I tried to be as thorough as I could with exactly the steps I took, so I'm just hoping someone can give me a few pointers on what I can do.
As I type this I had the phone connected to my computer next to me, and I've suddenly heard the Windows "Device connected" sound and the phone is now showing this in the top right corner, in tiny font:
Code:
[784670] Fastboot mode started
[784820] -- reset --
[784820] -- portchange --
Edit: When this occurred, a device named "Android" appeared under the "Other devices" tab in Windows Device Manager. It's got a yellow warning sign next to the icon, and Properties says that the drivers for the device aren't installed.
Perhaps this is relevant to getting it working again.

First you need the adb drivers for lg g3
Then you need proper partitions, depends what your starting system was, before cm..
then simply reflash them
fastboot flash aboot aboot.img
fastboot flash recovery twrp.img (because you don´t have one)
fastboot flash laf laf.img (this should fix the download mode)
Depending on what the system in original was and what the cm package installed...

bender_007 said:
First you need the adb drivers for lg g3
Then you need proper partitions, depends what your starting system was, before cm..
then simply reflash them
fastboot flash aboot aboot.img
fastboot flash recovery twrp.img (because you don´t have one)
fastboot flash laf laf.img (this should fix the download mode)
Depending on what the system in original was and what the cm package installed...
Click to expand...
Click to collapse
Many thanks for the reply.
By ADB drivers for the LG G3, do you mean the Lg United Mobile Driver? I have version 3.13.2 of them, if that's what they are.
When I input the commands
Code:
adb devices
or
Code:
fastboot devices
nothing appears, so are there different drivers I should look for?
I'm not too sure how to "fix" partitions, either, but I'm guessing it requires ADB/fastboot.
The file aboot.img and laf.img, will I need to find somewhere to download them from?
Again, I appreciate the response.

In case you have the drivers not installed (the "android" device without drivers in device manager), try with "google adb driver" ->
or pdanet
however the lg one should be fine (if not -> try one of the ones I mentioned)

bender_007 said:
In case you have the drivers not installed (the "android" device without drivers in device manager), try with "google adb driver" ->
or pdanet
however the lg one should be fine (if not -> try one of the ones I mentioned)
Click to expand...
Click to collapse
I used PdaNet to install the LG drivers, and inputting the command "fastboot devices" now shows
Code:
? fastboot
Inputting "adb devices" does not show anything, however.
I then attempted to flash a recovery, TWRP version 2.8.7.0 with the command "fastboot flash recovery "recovery.img"". However, the phone's screen showed the following:
Code:
[998960] Error: Command never completed
[998960] Error: Auto CMD12 Error
[998960] Error: Command never completed with errors
[998960] Failed Writing block @ 1
How do I fix the partitions and find the files "aboot.img" and "laf.img"?
Thanks for your help so far, I'm glad that there is progress now.

it has to be fastboot flash recovery recovery.img (where recovery.img is twrp.img, twrp.bin, recovery.img or similiar, without any quotations)
What happens when you try to enter TWRP? Are you doing it right? Hold volume down and power ---- wait for lg logo an release for less than a second and keep holding again.
aboot and laf are downloadable or extractable (from KDZ/TOT) -> use bullghosts kdz/tot extractor

bender_007 said:
it has to be fastboot flash recovery recovery.img (where recovery.img is twrp.img, twrp.bin, recovery.img or similiar, without any quotations)
What happens when you try to enter TWRP? Are you doing it right? Hold volume down and power ---- wait for lg logo an release for less than a second and keep holding again.
aboot and laf are downloadable or extractable (from KDZ/TOT) -> use bullghosts kdz/tot extractor
Click to expand...
Click to collapse
I retried the command fastboot flash recovery recovery.img but it resulted in the same output as before.
I followed the exact instructions to enter TWRP but it just stays at the LG logo screen. I've held Power+Vol.Down for about a minute after quickly releasing it+pressing it again at the LG logo, but it just doesn't do anything.
I've found myself a Lollipop KDZ file. The CyanogenMod I was running, however, ran on Android 6.0 Marshmallow. Will I need a Marshmallow KDZ file instead?

check PM - Private Messages
+check out this drivers(I packaged few of them, there is also lg adb, try the ones)

bender_007 said:
check PM - Private Messages
+check out this drivers(I packaged few of them, there is also lg adb, try the ones)
Click to expand...
Click to collapse
I appreciate the offer to use Teamviewer to help me, but I think it would be best if you typed out some instructions in a reply to this thread so that others with the same issue can refer to here.

Solution
I've found a solution to my issue, at least.
Downloading "recovery.img" from here, putting it in the same folder as fastboot, and then using the command
Code:
fastboot boot recovery.img
booted my phone properly, into cm-13.0-20160322-NIGHTLY-d855 (CM13 March 22nd).
However this resulted in all data being erased, including internal storage.
After using Flashify to re-flash TWRP (just in case), everything works as it should.

HexManiacSpeck said:
I've found a solution to my issue, at least.
Downloading "recovery.img" from here, putting it in the same folder as fastboot, and then using the command
Code:
fastboot boot recovery.img
booted my phone properly, into cm-13.0-20160322-NIGHTLY-d855 (CM13 March 22nd).
However this resulted in all data being erased, including internal storage.
After using Flashify to re-flash TWRP (just in case), everything works as it should.
Click to expand...
Click to collapse
Glad you got it working
Regarding teamviewer - it was an exploration mission so I would see how your device behaves, maybe wrong drivers, maybe..100reasons (I certainly would write it in here if there was a better idea on my side)

bender_007 said:
Glad you got it working
Regarding teamviewer - it was an exploration mission so I would see how your device behaves, maybe wrong drivers, maybe..100reasons (I certainly would write it in here if there was a better idea on my side)
Click to expand...
Click to collapse
That's alright, many thanks for your help. I've just heard bad stories regarding Teamviewer and didn't want to risk anything.

HexManiacSpeck said:
That's alright, many thanks for your help. I've just heard bad stories regarding Teamviewer and didn't want to risk anything.
Click to expand...
Click to collapse
No problem, sometimes you have to trust people
There were people who asked for help, installed teamviewer and didn´t gave any control permissions (which is fine). But they were expecting someone is having soo much free time to explain things (which I would if I had time)
cheers, flad you fixed it

Fixed my G3 I was about to send to trash!
HexManiacSpeck said:
I've found a solution to my issue, at least.
Downloading "recovery.img" fromhere, putting it in the same folder as fastboot, and then using the command
Code:
fastboot boot recovery.img
booted my phone properly, into cm-13.0-20160322-NIGHTLY-d855 (CM13 March 22nd).
However this resulted in all data being erased, including internal storage.
After using Flashify to re-flash TWRP (just in case), everything works as it should.
Click to expand...
Click to collapse
Thanks a million for pointing to this recovery file!
I was also in a situation where all my attempts to flash a recovery were failing due to:
Failed Writing block @ 1
Click to expand...
Click to collapse
The rest of my phone was unusable (no working recovery, no download mode, just the LG logo or this fastboot mode)
I tried several TWRP recovery versions & flavors, but so far, I only successfully reboot in recovery using CyanogenMod recovery file (download.cyanogenmod.org/?device=d855). Though I was not able to do much afterwards apart some adb commands that were not working either.
Code:
dd if=/dev/zero of=/dev/block/mmcblk0p20
dd: /dev/block/mmcblk0p20: write error: I/O error
This recovery img did the trick and I'm now back with a CyanogenMod ROM and a wiped phone.

System corrupted, laf removed, fastboot doesnt work, stock recovery is useless.

Alright here's the story. I was trying to put CM on this rooted LP 5.0.1 tmobile d851 (20e i think). I backed up and removed the LAF in order to access fastboot so i could flash the custom recovery. fastboot would send the recovery, but the phone would never actually flash the img to the device and report done. Even "fastboot reboot" did nothing. "fastboot devices" reported the serial as "?" and no driver or Arch/CentOS/other windows installs would get fastboot working. fastboot showed up as Marshal london bootloader in device manager.
So then i tried using flash_image from inside of rooted LP to flash the recovery however i ran into PIE errors that could be fixed by replacing /usr/bin/linker. So I found a patched version, rm -rf the old one and tried to cp in the new one. This seemed like a totally valid idea from my linux experience. Buuuut crap. Nothing works. No commands are accepted because I deleted linker. I rebooted cause I had no better alternative and i get a dead android "no command".... Looks like I found the single best way to kill an android installation.
Now im really stuck because i cant use download mode (LAF) to restore because it has been deleted to access fastboot and fastboot wont actually do anything so I can't restore the laf. There is no custom recovery. The stock recovery adb sideload will only let me install OTAs and far as i know there isn't a FULL OTA that will restore the entire system. I even tried the qualcomm 9008 hard brick method with boardDiag, but that doesnt work on tmobile.
I see a few options:
Somehow get fastboot and then download mode working
Wait for a 6.0 OTA and hope it updates the linker bin
advise?
also, the LG logo appears on screen and the LG serial port (the one used for the LG flasher tool) is present in my device manager for a good 15secs before the no command android shows up. I tried lg flasher tool with this time window but it always cut out before the tool could get anywhere.
Edit: This is what the fastboot process would look like:
Screen right after fastboot boot:
[500] Fastboot mode started
[600] -- reset --
[610] -- portchange --
[710] fastboot: processing commands
fastboot erase aboot brings:
erasing 'aboot' ... on command prompt
and
[346290] fastboot: getvarartition-type:aboot
[346350] fastboot: erase:aboot
after those appear it just hangs like that
unplugging it after that command gives me:
FAILED (status read failed (Too many links))
finished. total time: 164.350s
on cmd
and
[514820] -- reset --
[514820] EP1/out FAIL nfo=40 p0=f90bao0
[514830] -- portchange --
[514840] usb_read(0) transaction failed
[514890] fastboot: oops!
[514940] fastboot: processing commands
Click to expand...
Click to collapse

Did you ever find a fix for this?

No, its either professional jtag, or maybe the MM stock ota update zip will fix it if it includes the linker. i havent found this ota on the Internets yet though.

i just had the same problem. any fixes?

flash laf via fastboot
sirbow2 said:
Alright here's the story. I was trying to put CM on this rooted LP 5.0.1 tmobile d851 (20e i think). I backed up and removed the LAF in order to access fastboot so i could flash the custom recovery. fastboot would send the recovery, but the phone would never actually flash the img to the device and report done. Even "fastboot reboot" did nothing. "fastboot devices" reported the serial as "?" and no driver or Arch/CentOS/other windows installs would get fastboot working. fastboot showed up as Marshal london bootloader in device manager.
So then i tried using flash_image from inside of rooted LP to flash the recovery however i ran into PIE errors that could be fixed by replacing /usr/bin/linker. So I found a patched version, rm -rf the old one and tried to cp in the new one. This seemed like a totally valid idea from my linux experience. Buuuut crap. Nothing works. No commands are accepted because I deleted linker. I rebooted cause I had no better alternative and i get a dead android "no command".... Looks like I found the single best way to kill an android installation.
Now im really stuck because i cant use download mode (LAF) to restore because it has been deleted to access fastboot and fastboot wont actually do anything so I can't restore the laf. There is no custom recovery. The stock recovery adb sideload will only let me install OTAs and far as i know there isn't a FULL OTA that will restore the entire system. I even tried the qualcomm 9008 hard brick method with boardDiag, but that doesnt work on tmobile.
I see a few options:
Somehow get fastboot and then download mode working
Wait for a 6.0 OTA and hope it updates the linker bin
advise?
also, the LG logo appears on screen and the LG serial port (the one used for the LG flasher tool) is present in my device manager for a good 15secs before the no command android shows up. I tried lg flasher tool with this time window but it always cut out before the tool could get anywhere.
Edit: This is what the fastboot process would look like:
Click to expand...
Click to collapse
download laf file for your model and flash it....
"fastboot erase laf" then
"fastboot flash laf laf.img"
"fastboot reboot"
Then try to put your phone into download mode.

nibedankaran said:
download laf file for your model and flash it....
"fastboot erase laf" then
"fastboot flash laf laf.img"
"fastboot reboot"
Then try to put your phone into download mode.
Click to expand...
Click to collapse
thanks for the reply, but as i mentioned in my post, fastboot commands don't work. i wish it was that easy.

nibedankaran said:
download laf file for your model and flash it....
"fastboot erase laf" then
"fastboot flash laf laf.img"
"fastboot reboot"
Then try to put your phone into download mode.
Click to expand...
Click to collapse
I think you have a serious problem
You have to see google fix lg g3 on Qualcomm mode...I mean hard brick fix....
Download as instructed
I think it will be fixed
Recently I fixed lg g3 from only led blink no signal to pc and only vibrate and others

That doesn't work on tmobile G3s, thanks though. I did try it anyways btw.

Getting the update.zip from a friend. its in the SD card but its not showing up in MTP so were trying to figure that out. once i have the zip ill try flashing it. if it doesnt work, itll get a octoplus jtag flash.

Well the update did not like the fact that this phone was missing the linker bin or the previous root because it fails when checking the current system. Looks like octoplus is the only way cause i'm an idiot.
Anyone know where i can send this to get it done? i thought some people on ebay did it but i cant find them.

I have same problem, no download mode, system corrupted and recovery is useless.

mysteryjeans said:
I have same problem, no download mode, system corrupted and recovery is useless.
Click to expand...
Click to collapse
If it's a tmobile G3 (d851) you have no choice but send it to someone for an octoplus jtag service because the DIY jtag method doesn't work. Got mine done for $42 after shipping from an ebay service.

sirbow2 said:
If it's a tmobile G3 (d851) you have no choice but send it to someone for an octoplus jtag service because the DIY jtag method doesn't work. Got mine done for $42 after shipping from an ebay service.
Click to expand...
Click to collapse
Finally I recovered it, I have to short testpoint then connect cable to PC, my device is dual sim therefore different logic board, see this http://forum.xda-developers.com/lg-g3/help/lg-d858-qualcomm-test-location-t3293440 for D856/7/8 testpoint to get device into Qualcomm 9008 mode, then I had flash F400K (yes korean rom) tot from thread http://forum.xda-developers.com/showthread.php?t=2785089 using BoardDiagv2.99 http://forum.xda-developers.com/sprint-lg-g3/general/guide-fix-hard-brick-recovery-guide-t3132359 to get it live and get into download mode.
Now finally flashed stock KDZ using this post http://forum.xda-developers.com/showpost.php?p=64624353&postcount=3
If I knew there is new tool to flash MM stock, I wouldn't brick my device. :silly:

Thats exactly what i tried but didn't work because D851

ADB Waiting For Device, Device Stuck On Firmware Update Screen

LG G3 D852
Hey everyone, here's the summary of my whole situation: I've been trying to toy around with some roms for an old phone I had sitting around. Long story short, good phone busted so now back to this one.
Anyways, while trying to install literally every rom (except the one installed already, which I keep flashing to be able to text and all), no matter what ROM it was, it gave me an error saying, "Error executing updater binary in zip". I did some searching and read that it was because TWRP was outdated. Havent used this phone since 2016, so everything on it is outdated, made sense to me.
THIS IS WHERE MY REAL TROUBLE BEGINS!
So, while trying to update TWRP, I tried using different methods such as the Official TWRP App, as well as Flafishy, but all failed.
>>Booted into TWRP recovery, tried to update that way using the image file, followed instructions on the TWRP site, and it said it succeeded! But, when I went to power off and back on into recovery to make sure it went well, it started up in Fastboot Mode instead, and the only way to get that screen off was to take battery out. So now, every time I boot to recovery, it enters Fastboot Mode. However it CAN start up normally without issue.
>>>>The next issue I'm having is with updating TWRP through ABD.
After noticing it was only going to let me use Fastboot, I started the phone, made sure root access was given to Apps & ADB as well as made sure that Android Debugging was enabled.
Then, booted back to Fastboot screen and tried to flash the recovery file using the commands in cmd.
Made sure cmd was opened in the correct directory with the TWRP file, and after typing the flash command, command prompt sits at "Waiting for device" and the device doesnt respond, sits at the firmware screen completely frozen.
Here is what I typed for cmd;
C:\Users\Daqo\Desktop>fastboot reboot bootloader
rebooting into bootloader...
OKAY [ 0.199s]
finished. total time: 0.202s
C:\Users\Daqo\Desktop>fastboot flash twrp-3.0.0-0-d852
< waiting for device >
^^^Gets stuck here^^^
****Please note that after typing the bootloader command, the phone reboots normally and I have to manually press "Reboot to Bootloader" from the popup reboot screen (holding power button) in order to get to the firmware screen. I have tried rebooting to bootloader before and after typing the command to flash the file****
Any help is greatly appreciated