[Question] How to fix a deadboot ASUS ZC554KL (Zenfone 4 Max)? - Asus ZenFone 4 Max Questions & Answers

My phone is not rooted and I used it on normal basis. Last week my phone suddenly hang. When I tried to restart it enters a bootloop. The error is somehow bad, that I was not able to enter recovery mode or fastboot mode. I decide to disassemble the phone and disconnect the battery, it was then I was able to enter fastboot mode.
I decided to flash stock ROM using the fastboot mode. But to my horror, the batch seems to produce errors. The batch does erase the partition but when flash command write, it was erroneous,
I already follow every instruction from various forums. I wasn't able to find a proper forum that gives a satisfactory explanation on a correct fix and most of them were not logical. ex: Fixing a deadboot phone. The title is clear DEADBOOT, but as I read the instruction, it instructs me to wipe data and cache. Other instruct me to go into fastboot. This is total nonsense!!
Okay, now my phone is Deadboot. I was not able to enter recovery, enter fastboot mode, When connected to power, the LED is DEAD. Pressing the buttons will give no response in any way.
I tried flashing using QFIL using EDL mode but fail. Do anyone have any idea any logical sugestion to fix my superbricked phone?
Your help is appreciated and please no illogical or garbage answer. Thank you.

But your phone must be can to entering fastboot or recovery mode,If the situation is completely dead and cant access anything,sorry,that means its broken

Related

[Q] Can't unbrick. Tried nigh everything.

Greetings! First of all, I would like to thank anyone who takes the time to help me diagnose and resolve this issues, let alone anyone who takes the time to read this thread.
I've been having issues with my Xoom (ICS 4.0.0) for about 3 weeks now.
A brief history of the issue's occurrence:
-I unrooted the device and returned it to stock.
-Everything was fine and dandy until one day it spontaneously said something along the lines of 'Android is upgrading..', and then performed a reset.
-Since resetting, it bootloops.
The device only turns on when plugged into a charger and hard reset.
The device only turns off when allowed to boot loop for minutes and then hard reset (it simply does not reset, and just turns off).
I'm not the most technically-savvy person with android devices but here are some things I've done/noted.
When trying to use adb commands, it does not recognize the device or properly issue commands.
I've tried wiping data/clearing cache to no avail.
EDIT: I've tried fastbooting, but the bootloader will not unlock. When trying to unlock, it simply resets and then acts as though it was never unlocked.
I have no idea how to return it to a stock image. All I know is that I have a micro-SD and some spare time.
Could anyone help me understand what exactly is going on with my Xoom?
If I can provide you with any more information, please let me know.
Thanks again. (=
If it was stock and spontaneously upgraded it sounds like a bad OTA upgrade. I've been rooted from the start so never have taken an OTA upgrade...don't you need to accept it or can it just upgrade on it's own?
Anyway, can you get it into fastboot mode?
Volume up and power, then at dual core screen, press volume down...if you see something like "entering fastboot mode" you're not bricked. You do not have to re lock your bootloader. Just make sure you have downloaded the correct stock files for your Xoom model to your PC and flash it.
If you haven't done so, just google 'recovering Xoom using fastboot' and you should get some good information.
Good luck!
Remember to grab the MZ604 files if you have the Wifi only version of the Xoom.
http://developer.motorola.com/products/software/ <------ Grab the files here. The files are for the US version of the Wifi Xoom only.
Instructions to return it to stock
1) First you need the Moto Drivers - Read this thread to START you - http://forum.xda-developers.com/showthread.php?t=981578
Should have these drivers installed if you have rooted your Xoom before.
2) Make sure you have the latest SDK - adb and fastboot should be in /platform-tools -
http://developer.android.com/sdk/index.html
Should have the android SDK if you have rooted your Xoom before.
3) Place all the downloaded stock image files into the SDK Tools folder.
4) If you are booting up from scratch, you can get the Xoom in fastboot mode by doing the following. Use command prompt to perform the rest of the steps
Hold VolDown and Power button will boot unit for fastboot mode
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash recovery recovery.img
fastboot flash userdata userdata.img
fastboot erase cache
fastboot oem lock
If you Xoom is booted up already follow the commands below using command prompt to perform the steps
adb reboot bootloader <---- reboots the Xoom into fastboot mode.
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash recovery recovery.img
fastboot flash userdata userdata.img
fastboot erase cache
fastboot oem lock
As Always If This Was Helpful Hit the Thanks!
Yeah, what Mjamocha said...
okantomi said:
Yeah, what Mjamocha said...
Click to expand...
Click to collapse
LOL Thanks.
okantomi said:
Anyway, can you get it into fastboot mode?
Click to expand...
Click to collapse
Yes, I can. But so far nothing has been successful in terms of fastboot commands.
okantomi said:
You do not have to re lock your bootloader. Just make sure you have downloaded the correct stock files for your Xoom model to your PC and flash it.
Click to expand...
Click to collapse
When I try to execute fastboot commands such as 'fastboot flash boot boot.img'.. it says the following:
Device still locked. Device must be unlocked first. Failed to process command error(0x8)
Whenever I try to unlock the bootloader, it appears to be successful at first and then the device reboots. But it just reboots to a bootloop, and the bootloader still says its locked. Perhaps I made a mistake in communication. The bootloader is currently locked and will not unlock, as just described.
When I try to unlock it and it reboots, even if I access the fastboot menu right away, it still says the device is still locked.
Thoughts?
Can you get into recovery? With the Xoom off (to make sure it's really off, hold volume up + power for a few seconds), hit the power button and when you see the M logo, wait a very brief moment (like a fraction of a second) and hit the volume down button. When it says "recovery" on the top left, hit the volume up. If you can get in there, either restore a nandroid (if you have one) or do a factory reset.
slacka-vt said:
Can you get into recovery? With the Xoom off (to make sure it's really off, hold volume up + power for a few seconds), hit the power button and when you see the M logo, wait a very brief moment (like a fraction of a second) and hit the volume down button. When it says "recovery" on the top left, hit the volume up. If you can get in there, either restore a nandroid (if you have one) or do a factory reset.
Click to expand...
Click to collapse
Yes, I can get into android recovery. However, within a second of switching into recovery mode, the robot falls down and there appears to be a red triangle caution sign containing an exclamation point.
When trying to do a factory reset, it says all data is wiped (as normal). Upon rebooting, it continues to bootloop. So essentially the factory reset and cache clear options in the Android Recovery menu do not produce the expected results.
Pretty odd. I didn't mess with the Xoom at all prior to this issue.
Try flashing just a recovery img to hopefully get your recovery working again. I think you can flash a custom recovery even if the bootloader is locked (i could be wrong but worth a shot) I attached the Rogue "recovery-rogue-1.3.0.img". Try a "fastboot flash recovery recovery-rogue-1.3.0.img"
EDIT: Sorry, I guess you can't flash a custom recovery with a locked bootloader.
slacka-vt said:
Try flashing just a recovery img to hopefully get your recovery working again. I think you can flash a custom recovery even if the bootloader is locked (i could be wrong but worth a shot) I attached the Rogue "recovery-rogue-1.3.0.img". Try a "fastboot flash recovery recovery-rogue-1.3.0.img"
EDIT: Sorry, I guess you can't flash a custom recovery with a locked bootloader.
Click to expand...
Click to collapse
Yeah, just tried it to no avail. Thanks so much for your help anyway. (=
I'm not sure what to do now.
I would keep trying to unlock it using different USB cables and different USB ports on your computer. I've had unlocks fail a bunch of times and for some reason, it was because of a $hity USB cable and/or a bad port on my computer.
slacka-vt said:
I would keep trying to unlock it using different USB cables and different USB ports on your computer. I've had unlocks fail a bunch of times and for some reason, it was because of a $hity USB cable and/or a bad port on my computer.
Click to expand...
Click to collapse
I hear ya. I've tried 2 different cords and 3 different computers. I'm using a Mac (10.6.8) right now, but have used 2 PCs (Vista + 7).
Out of curiosity, when you tried to flash the custom recovery, did you get the same "device still locked" error or did it appear to flash but then recovery failed?
slacka-vt said:
Out of curiosity, when you tried to flash the custom recovery, did you get the same "device still locked" error or did it appear to flash but then recovery failed?
Click to expand...
Click to collapse
I got the 'device still locked' error. Weird, huh?
How about trying to lock it again even though it says it's locked -maybe it's stuck in an "in-between state"? Try a "fastboot oem lock" and if it finishes then try a "fastboot oem unlock". I know, I'm grabbing at straws here. I thought I bricked my Xoom last week. All I did was an "adb reboot bootloader" and the device went to a black screen. Volume Up + Power did nothing. I ended up buying a T5 (Torx 5) bit at the store, removed the back cover and disconnected the battery for 30 seconds using a piece of paper to separate the contacts. The Xoom booted right up after that.
slacka-vt said:
How about trying to lock it again even though it says it's locked -maybe it's stuck in an "in-between state"? Try a "fastboot oem lock" and if it finishes then try a "fastboot oem unlock". I know, I'm grabbing at straws here. I thought I bricked my Xoom last week. All I did was an "adb reboot bootloader" and the device went to a black screen. Volume Up + Power did nothing. I ended up buying a T5 (Torx 5) bit at the store, removed the back cover and disconnected the battery for 30 seconds using a piece of paper to separate the contacts. The Xoom booted right up after that.
Click to expand...
Click to collapse
Yeah I tried that. Won't lock or unlock successfully. Locking produces no difference, and unlocking produces the same 'device still locked' error. This is getting out of hand! Thanks so much for your advice. You think I should open it up?
I hate to be so persistently annoying about this, but could anyone possibly suggest a method of working around the locked bootloader?
Is there anything I can do with an SD card to remedy the device's stubborn foolery?
I think you should give it a try, I have bricked my xoom a few times and have always been able to flash the stock imagine to recover. You really have nothing to lose by pulling the battery pin just be careful.
Sent from my Xoom using xda premium
I don't know if I'm technically-equipped enough to do that. )=
Sounds easy, but I imagine it would be rather easy to screw something up? Essentially what I should do is unseat the battery, right?
cherlamperter said:
I don't know if I'm technically-equipped enough to do that. )=
Sounds easy, but I imagine it would be rather easy to screw something up? Essentially what I should do is unseat the battery, right?
Click to expand...
Click to collapse
I have looking for a utube how to guide but no luck, I just might make one for you so you will know what to expect. Give me a few and I will get back to ya.
Sent from my Xoom using xda premium

My HTC one S stuck on 'this build is for developement purpose only'

Hi,
I have refereed to earlier threads for same problem but could not resolve the issue. That's why I am initiating a new thread.
I was trying to unlock my htc one s and was trying to install a custom rom. But I don't know which step goes wrong. Now my phone is not starting and I am not even able to go to recovery mode by volume button. When I try to start the phone it stuck on 'this build is for development purpose only'.
Please help.
Regards,
Meher Chandan
It is kind of difficult to help since you are not telling what you have already done...
However, I'm just guessing that your phone may be in a reboot loop with fast reboot/poweroff enabled. This means it is never really powered off. Try to hold down the power button when you see the HTC screen, at least for 10 seconds (more may be required). That should force a hard shutdown. After that, you should be able to boot into fastboot, and so, into recovery.
FWIW, I've installed CM 12.1 and I still got the red warning message. It does not bother me, however.
I got similar case in the old day. Boot up the phone first to wakeup it and force it power off and immediately connect to PC when the screen goes blank.
Try "c:\>adb reboot bootloader" now, sometimes it will fail and report device not found(then unplug the usb cable, reboot it and power off and connect to PC again), you might be need to try many times to make it success(I'v tried like 10 times) and once you get it working, it will reboot into bootloader and now fastboot(c:\>fastboot devices) and recovery also working.
meherchandan said:
Hi,
I have refereed to earlier threads for same problem but could not resolve the issue. That's why I am initiating a new thread.
I was trying to unlock my htc one s and was trying to install a custom rom. But I don't know which step goes wrong. Now my phone is not starting and I am not even able to go to recovery mode by volume button. When I try to start the phone it stuck on 'this build is for development purpose only'.
Please help.
Regards,
Meher Chandan
Click to expand...
Click to collapse
There is boot.IMG file on your ROM.zip (you have installed) extract it in your fastboot folder and reboot your phone into boot loader and then goto your PC command promot and flash boot.IMG (fastboot flash boot boot.img) from fast boot folder.
Sent from my One S using Tapatalk

Xperia Z5 Dual E6633 - Failed restoration attempts

So my Xperia Z5 Dual E6633 died on me suddenly and then gave the dreaded sleep of death with red led blinking three times. Whenever I tried to turn it on, it would vibrate once and the screen remained blank. Initially I thought the LCD has given up and I replaced it with a new LCD, which was a extra expense booked in losses now. The phone still showed the same behavior , sometimes a long press on the power button made it vibrate three times and then nothing happened. Unfortunately it had a lot of data which was not backed up.
I tried all the tricks in this thread
https://forum.xda-developers.com/showthread.php?t=1849170
and followed the bits and pieces here as well
https://forum.xda-developers.com/showpost.php?p=35332880&postcount=141
However till to date I am not able to make a successful resurrection. Just wanted to share the situation so maybe I can get some additional help or guidance. I have downloaded the XperFirm and Flashtool latest version and downloaded the latest FTF files for my reigon.
The phone was "not" rooted and the USB debugging option was never activated.
I am able to boot in either FLASH (Power+Down) Green LED and FASTBOOT (Power+UP) blue LED. The phone is able to hold the states and get recognized in Flashtool.
Using the Flashtool I have tried to flash the FTF with full wipe in the FLASH mode, the flashing completes successfully, however when I turn the mobile on, it still remains in the same state of a blank screen at startup with no signs or LEDs to let me know its state.
I think I have lost my data anyways since I chose a full wipe including SSD and USERDATA during flashing, however I had a hope that if I am able to boot into the system, i would run some undelete apps to restore my pics.
Using the Flashtool , if I boot in FASTBOOT mode, it gets recognized and I am able to run commands to get version and check state and even I have sent the Kernel.sin and System.sin via fastboot mode as well, dont know clearly if it got thru or not. This doesnt help the situation as well. The fastboot mode somehow does not work well with the ADB command prompts. If I run "adb devices" on the command prompt, I am not able to see any devices, however it does get recognized in the Flashtool.
I think I have run out of options when the board is responding to fastboot and flash mode, however unable to boot even after a full flash.
If anyone has any other options or guidance left for me to try, then I would appreciate the help.
Thanks.

Another brick?

Hello.
I did something wrong while trying to flash TWRP on my pixel 2, I am now stuck at the bootloader, and I cannot boot System or Recovery. While at the bootloader screen, it says Device State : unlocked. If I try to get to download mode, it says "ERROR: Operation Denied". If I try to go into recovery, it says "ERROR: Slot Unbootable: Load Error". If I try "Start", I get the same error message.
Also, adb or fastboot don't seem to be able to "see" the pixel connected to the computer. I believe my cables are good since I was able to flash Magisk and reflash the whole system with them before bricking it.
Can anyone help?
Thanks!
stanelie said:
Hello.
I did something wrong while trying to flash TWRP on my pixel 2, I am now stuck at the bootloader, and I cannot boot System or Recovery. While at the bootloader screen, it says Device State : unlocked. If I try to get to download mode, it says "ERROR: Operation Denied". If I try to go into recovery, it says "ERROR: Slot Unbootable: Load Error". If I try "Start", I get the same error message.
Also, adb or fastboot don't seem to be able to "see" the pixel connected to the computer. I believe my cables are good since I was able to flash Magisk and reflash the whole system with them before bricking it.
Can anyone help?
Thanks!
Click to expand...
Click to collapse
happened to my walleye too , and managed to bring it back to life . check this thread for a possible solution. https://forum.xda-developers.com/pixel-2/help/december-factory-image-to-broken-t3875213
Thanks!
I missed that thread while researching this issue.
I will try these things when I get back from work next week.
Thanks again!
stanelie said:
Thanks!
I missed that thread while researching this issue.
I will try these things when I get back from work next week.
Thanks again!
Click to expand...
Click to collapse
Just as a reference for anyone else who needs the fix and can't be bothered opening another thread.
SOLUTION: At the menu where it is stuck and saying device fail etc, plug in your usb cable to the mobile, press and hold the POWER button for 10 seconds, it will now recognise your phone under fastboot.
Once that is cleared, it's pretty much straightforward flashing latest pixel 2 image via fastboot and problem solved.
sidenote: Issue came with anyone who tried to flash december security updates and above as of what I heard.
I will try that, thanks.
So, several things :
Holding down the power button had no effect other than restarting the boot menu, but Fastboot never became available.
Opening up the phone and disconnecting the battery and reconnecting it made Fastboot available again. This would be in line with other users that let the phone battery discharge completely before regaining fastboot access.
Sidenote : opening up this phone is not for the faint of heart. I managed to damage something on the motherboard doing so (probably a static electricity discharge), the screen ended up displaying gibberish. I was able to salvage my phone by replacing the motherboard. I had ordered a replacement motherboard when I thought all was lost with no fastboot, and I had it on hand. Expensive little sucker...
stanelie said:
Hello.
I did something wrong while trying to flash TWRP on my pixel 2, I am now stuck at the bootloader, and I cannot boot System or Recovery. While at the bootloader screen, it says Device State : unlocked. If I try to get to download mode, it says "ERROR: Operation Denied". If I try to go into recovery, it says "ERROR: Slot Unbootable: Load Error". If I try "Start", I get the same error message.
Also, adb or fastboot don't seem to be able to "see" the pixel connected to the computer. I believe my cables are good since I was able to flash Magisk and reflash the whole system with them before bricking it.
Can anyone help?
Thanks!
Click to expand...
Click to collapse
Same thing happened to me except I never even tried to root. Just pulled the phone out of my pocket, and the little Android dude was belly up. It's showing device locked - and although I had it in Dev. mode from weeks back (thought USB Debugging was enabled) it fails to respond to adb commands, boot-loader mode, etc.
...Looks like Google laid an egg with this one.
Pixel 2 - "ERROR: Slot Unbootable: Load Error"
If you get the above error you will find that you cannot boot into recovery and the phone stays in the bootloader screen each time you try to start the phone. If your bootloader is unlocked you might be able to recover your phone to flash a stock image and revive. My problem started when I tried to restore a nandroid backup after trying out Android Q beta 1. I got the error mentioned above.
Most of the people recommended that I get a replacement from Google support as they had tried everything but it didn't work. Well right here in XDA Pixel 2 forum there is a solution waiting to be used. I am reproducing it from the post titled
"December factory image seems to have broken fastboot enumeration"
Quote
A possible way to resurrect a bricked Pixel 2...
Hey guys, I have just been able to get mine alive. The device started to be recognized (USB/fastboot) after about 10 unsuccessful attempts to start the system: "Start", from bootloader.
So what exactly happened and what I did:
1. Bricked a Pixel 2.
2. It started into bootloader and showed the "slot unbootable" error.
3. The device was not recognized by any of my machines at all, lsusb did not show anything new in the system, and, respectively, fastboot did not see the device.
4. The default option in the bootloader is "Start" if I remember correctly. So I just pressed the power button and did not release it until I noticed a vibration. It were about 10 unsuccessful attempts of system loading before that vibration.
5. Right after that vibration I connected a generic (NONAME) USB-C <-> USB-A cable to both the device and my Linux machine, and fortunately the device was recognized by the system and fastboot was able to detect the device correctly. So I flashed the a factory image, and it went just fine.
Unquote
Let me confirm that this works. I kept the power button down while the phone was connected via USB to the PC for at least 5 mins. During several reboots suddenly I got a beep from the PC which indicated that ADB was working. I flashed a stock image and voila the pixel 2 is back in operation.
Hope this helps several other people who might have this problem.
ashokabs said:
If you get the above error you will find that you cannot boot into recovery and the phone stays in the bootloader screen each time you try to start the phone. If your bootloader is unlocked you might be able to recover your phone to flash a stock image and revive. My problem started when I tried to restore a nandroid backup after trying out Android Q beta 1. I got the error mentioned above.
Most of the people recommended that I get a replacement from Google support as they had tried everything but it didn't work. Well right here in XDA Pixel 2 forum there is a solution waiting to be used. I am reproducing it from the post titled
"December factory image seems to have broken fastboot enumeration"
Quote
A possible way to resurrect a bricked Pixel 2...
Hey guys, I have just been able to get mine alive. The device started to be recognized (USB/fastboot) after about 10 unsuccessful attempts to start the system: "Start", from bootloader.
So what exactly happened and what I did:
1. Bricked a Pixel 2.
2. It started into bootloader and showed the "slot unbootable" error.
3. The device was not recognized by any of my machines at all, lsusb did not show anything new in the system, and, respectively, fastboot did not see the device.
4. The default option in the bootloader is "Start" if I remember correctly. So I just pressed the power button and did not release it until I noticed a vibration. It were about 10 unsuccessful attempts of system loading before that vibration.
5. Right after that vibration I connected a generic (NONAME) USB-C <-> USB-A cable to both the device and my Linux machine, and fortunately the device was recognized by the system and fastboot was able to detect the device correctly. So I flashed the a factory image, and it went just fine.
Unquote
Let me confirm that this works. I kept the power button down while the phone was connected via USB to the PC for at least 5 mins. During several reboots suddenly I got a beep from the PC which indicated that ADB was working. I flashed a stock image and voila the pixel 2 is back in operation.
Hope this helps several other people who might have this problem.
Click to expand...
Click to collapse
I don't even know how to thank you. I almost had a heart attack watching my Pixel bricked. Thanks man!
Save my day! I just keep pressing power button and fastboot response finally!
Can this be done if the device is locked?
_Kalyan said:
I don't even know how to thank you. I almost had a heart attack watching my Pixel bricked. Thanks man!
Click to expand...
Click to collapse
Does ur bootloader locked or unlocked?
---------- Post added at 11:36 AM ---------- Previous post was at 11:36 AM ----------
ashokabs said:
If you get the above error you will find that you cannot boot into recovery and the phone stays in the bootloader screen each time you try to start the phone. If your bootloader is unlocked you might be able to recover your phone to flash a stock image and revive. My problem started when I tried to restore a nandroid backup after trying out Android Q beta 1. I got the error mentioned above.
Most of the people recommended that I get a replacement from Google support as they had tried everything but it didn't work. Well right here in XDA Pixel 2 forum there is a solution waiting to be used. I am reproducing it from the post titled
"December factory image seems to have broken fastboot enumeration"
Quote
A possible way to resurrect a bricked Pixel 2...
Hey guys, I have just been able to get mine alive. The device started to be recognized (USB/fastboot) after about 10 unsuccessful attempts to start the system: "Start", from bootloader.
So what exactly happened and what I did:
1. Bricked a Pixel 2.
2. It started into bootloader and showed the "slot unbootable" error.
3. The device was not recognized by any of my machines at all, lsusb did not show anything new in the system, and, respectively, fastboot did not see the device.
4. The default option in the bootloader is "Start" if I remember correctly. So I just pressed the power button and did not release it until I noticed a vibration. It were about 10 unsuccessful attempts of system loading before that vibration.
5. Right after that vibration I connected a generic (NONAME) USB-C <-> USB-A cable to both the device and my Linux machine, and fortunately the device was recognized by the system and fastboot was able to detect the device correctly. So I flashed the a factory image, and it went just fine.
Unquote
Let me confirm that this works. I kept the power button down while the phone was connected via USB to the PC for at least 5 mins. During several reboots suddenly I got a beep from the PC which indicated that ADB was working. I flashed a stock image and voila the pixel 2 is back in operation.
Hope this helps several other people who might have this problem.
Click to expand...
Click to collapse
Works on bootloader state locked or not?
SoKa1993 said:
Does ur bootloader locked or unlocked?
---------- Post added at 11:36 AM ---------- Previous post was at 11:36 AM ----------
Works on bootloader state locked or not?
Click to expand...
Click to collapse
If the boot loader is locked look for a script for unlocking the bootloader from recovery or bootloader state. I did find it but cannot remember. My bootloader was unlocked so I did not have to use it.
ashokabs said:
Pixel 2 - "ERROR: Slot Unbootable: Load Error"
If you get the above error you will find that you cannot boot into recovery and the phone stays in the bootloader screen each time you try to start the phone. If your bootloader is unlocked you might be able to recover your phone to flash a stock image and revive. My problem started when I tried to restore a nandroid backup after trying out Android Q beta 1. I got the error mentioned above.
Most of the people recommended that I get a replacement from Google support as they had tried everything but it didn't work. Well right here in XDA Pixel 2 forum there is a solution waiting to be used. I am reproducing it from the post titled
"December factory image seems to have broken fastboot enumeration"
Quote
A possible way to resurrect a bricked Pixel 2...
Hey guys, I have just been able to get mine alive. The device started to be recognized (USB/fastboot) after about 10 unsuccessful attempts to start the system: "Start", from bootloader.
So what exactly happened and what I did:
1. Bricked a Pixel 2.
2. It started into bootloader and showed the "slot unbootable" error.
3. The device was not recognized by any of my machines at all, lsusb did not show anything new in the system, and, respectively, fastboot did not see the device.
4. The default option in the bootloader is "Start" if I remember correctly. So I just pressed the power button and did not release it until I noticed a vibration. It were about 10 unsuccessful attempts of system loading before that vibration.
5. Right after that vibration I connected a generic (NONAME) USB-C <-> USB-A cable to both the device and my Linux machine, and fortunately the device was recognized by the system and fastboot was able to detect the device correctly. So I flashed the a factory image, and it went just fine.
Unquote
Let me confirm that this works. I kept the power button down while the phone was connected via USB to the PC for at least 5 mins. During several reboots suddenly I got a beep from the PC which indicated that ADB was working. I flashed a stock image and voila the pixel 2 is back in operation.
Hope this helps several other people who might have this problem.
Click to expand...
Click to collapse
I have same problem. I use Pixel 2 and Fedora. My question is, what i exactly should do? I mean the steps. I didn't get that beep from my laptop. But I got the vibration when I hold the power button when it's not connected to USB. Please Help me.
Sorry my english isn't that good.

LMV600AM Restore/Ugrade Guide

This restore process is intended for the AT&T V60 (lmv600am) model and will WIPE your data so back it up if you want to keep it!
This process will restore the lmv600am to original factory state for the AT&T v60 v20q build (a11). I’ve dumped all the required partitions from a new replacement phone sent to me by LG. This process uses the Qfil utility and assumes you already have a working knowledge of Qfil and that you have already installed it on your Windows PC. If you don’t have that knowledge start reading. The internet is full of Qfil guides.
You can’t damage or fix your existing imei relevant partitions from this restore because they aren’t included in this download.
You are responsible for backing up your existing phone partitions. I’m not liable for you using my work product and you do so at your own risk. If you’re unsure of what you’re doing then read more about Qfil and what is does. Again, if you are a newby go slow. Taking your time will save you a lot of aggravation.
This process will not fix your erased or damage imei number problem. There are process out there but they are usually reserved for people with an expert level of knowledge on the subject.
This guide is for anyone who’s presently unable to boot or who just can’t access AT&T ota services and wishes to upgrade their lmv600am to a newer a11 build. I have only tried this when my phone was already on an Android 11 rom. That’s not to say it won’t work coming from a Android 10 rom but I haven’t tried it.
This process will not fix your erased or damage imei number problem.
Steps
Download “Lmv600am v20q Restore Partitions.7z” file from ??? and unzip. Remember the unzipped restore directory path.
Plug your phone into PC with USB cable and put you phone in EDL (9008) mode. Again, there are guides on how to do this everywhere.
Start Qfil and select the port of your phone’ connection. (See Windows device manager)
Select the v60 firehose (.elf) which is included in the unzipped directory.
Select storage type = ulf which is located at the bottom right of the Qfil dialog screen. I’m using Qfil 2.0.3.5 version.
Next click on the “load XML” button and group select “rawprogram0” thru “rawprogram6” which are also in the unzipped directory, then hit OK. Next it will ask for the Patch0.xml file, hit cancel as we’re not patching anything.
Wait a few seconds and then click on the “Download” button. Qfil will now resolve all the names of the partitions to be restore and then start the download process to the phone.​
When complete phone reboots as I recall.
try first time, stuck at 88%, show a error
try second time, stuck at 55% for a whole night, no error
after, stuck at a random percent every time, no error
att a11 already crossflashed to EA
Why super.bin so big? 20GB stucking at flashing super every time
peterwode said:
try first time, stuck at 88%, show a error
try second time, stuck at 55% for a whole night, no error
after, stuck at a random percent every time, no error
att a11 already crossflashed to EA
Click to expand...
Click to collapse
My guess is your pc went to sleep. Other suggestions; change usb port... change cable... change PC. This procedure has been used by myself and others multiple times without failure. Qfil does nothing more than a simple read partition / write partition. There's no magic.
peterwode said:
Why super.bin so big? 20GB stucking at flashing super every time
Click to expand...
Click to collapse
The size of the super.bin (partitions system_a and system_b) is what it is. It's not like you have a choice. Hopefully, you do realize you're restoring both sides of the phone, slot a/slot b.
hooutoo said:
My guess is your pc went to sleep. Other suggestions; change usb port... change cable... change PC. This procedure has been used by myself and others multiple times without failure. Qfil does nothing more than a simple read partition / write partition. There's no magic.
Click to expand...
Click to collapse
Everything is changed, but the problem is the same, just stucked, progress no move forward, no error message , is the configuaration setting's problem? I am using the same configuaration with the crossflash guide
Finally figured out where the problem is , after upate qpst to the latest one, everything just ok now, thanks for your sharing and help
peterwode said:
Finally figured out where the problem is , after upate qpst to the latest one, everything just ok now, thanks for your sharing and help
Click to expand...
Click to collapse
You're welcome.
sorry for my mistake, not update , it is downgrade to 2.0.2.3, with 2.0.3.5 showing zero disk reading of qfil progress in the task manager, with 2.0.2.3 you can see qfil reading data from disk from computer , i don't know if it is bug or just a showing problem.
report one issue, cann't boot when changed to slot_a
did this. boots as cricket wireless and is just doing nothing but booting with the giant smiley face logo.
is there another step I need to do? Im surprised to see cricket and not ATT
chamilun said:
did this. boots as cricket wireless and is just doing nothing but booting with the giant smiley face logo.
is there another step I need to do? Im surprised to see cricket and not ATT
Click to expand...
Click to collapse
If you're seeing any boot logo and then getting stuck it usually means that the phone is trying to get to userdata. This restore does not include userdata for obvious reasons. My guess is you needs to reformat/wipe userdata.
The easiest way is probably by entering restore mode and selecting "reset to factory" which both reformats and wipes userdata.
As for the cricket logo, no telling where that's coming from or where your phone's been. But as per the Op description, these are 100% AT&T a11 v20q partitions.
phone wont get into the android boot screen for wiping cache/userdata/etc. kinda odd...
something tells me I need to write something additional. because my ATT model was crossflashed to the EU firmware
to bypass the fingerprint bug. however, they are shutting off 3G networks on the 22nd so cant keep using.
anyone else have any idea what I need to do?
Dude.... you don't need to be at boot screen whatever that is. You need to put your phone in recovery mode. Hold -vol and pwr until phone start to boot..... then release. Immediately press/hold +vol to put phone in recovery mode. Then select fastory reset which will rebuild (reformat/wipe) userdata . There are lots of guides on how to put a v60 into recovery mode.
If you can't get into recovery then put phone into edl mode (9008), start gfil and load the eng abl img to both abl_a and abl_b. Then restart phone and put it into fastboot mode, again guides all over internet on how to get to fastboot mode. From there try "fastboot -w" command from cmd prompt using adb/fastboot tools. If that doesn't work it has to be done from recovery mode.
Be sure you have all the proper drivers. For example when going into fastboot mode you will mostly likey have to manually load the adb bootloader driver so fastboot commands can access you phone.
hooutoo said:
eng abl img
Click to expand...
Click to collapse
hooutoo said:
Dude.... you don't need to be at boot screen whatever that is. You need to put your phone in recovery mode. Hold -vol and pwr until phone start to boot..... then release. Immediately press/hold +vol to put phone in recovery mode. Then select fastory reset which will rebuild (reformat/wipe) userdata . There are lots of guides on how to put a v60 into recovery mode.
If you can't get into recovery then put phone into edl mode (9008), start gfil and load the eng abl img to both abl_a and abl_b. Then restart phone and put it into fastboot mode, again guides all over internet on how to get to fastboot mode. From there try "fastboot -w" command from cmd prompt using adb/fastboot tools. If that doesn't work it has to be done from recovery mode.
Be sure you have all the proper drivers. For example when going into fastboot mode you will mostly likey have to manually load the adb bootloader driver so fastboot commands can access you phone.
Click to expand...
Click to collapse
all done. loaded eng abl. erased userdata in fastboot. still is on cricket startup screen and just stays there booting forever
does yours say "cricket wireless" when booting? so odd how this thing is behaving
got it finally to boot by resetting phone within recovery. fastboot -w command didnt do it. Now Im getting some type
of NT error that something doesnt match. but phone is working.
thanks!
Did you follow the steps, recovery mode and factory reset? Did it complete?
chamilun said:
got it finally to boot by resetting phone within recovery. fastboot -w command didnt do it. Now Im getting some type
of NT error that something doesnt match. but phone is working.
thanks!
Click to expand...
Click to collapse
Your welcome.
NT codes is a well know error so just google it. Also, maybe check with TG group.
hooutoo said:
Your welcome.
NT codes is a well know error so just google it. Also, maybe check with TG group.
Click to expand...
Click to collapse
everything worked but something is odd. its showing as cricket boot up, LG in settings. not ATT. and the NT error.
also the hidden code menu isnt working.
somehow Ive got a frankenstein phone now. was a pure ATT phone before I crossflashed. somehow I need to figure out
what to write to the phone to get proper version back. I do have the old backup. just need to figure out how we
did the crossflashing and kind of undo

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