[Q] Nexus 10 Hard bricked - Nexus 10 Q&A, Help & Troubleshooting

Hi all,
My Nexus 10 seems to be hard bricked.
Here the symptoms:
- Can sometimes be put in bootloader mode
- In bootloader mode, no way to put into recovery mode (the buttons vol up/down do not change the mode = it stays onlw in "Start")
- In bootloader mode, fastboot does not show the device (and of course no way to flash)
- Of course, no OS installed and no way to boot properly
The device seems to be recognized as "Samsung Gadget Serial"..
Any help is welcome !
Thanks
OK FORGET ABOUT IT
I found how to put in recovery mode : press power and BOTH volume UP and DOWN at the same time.

opolette said:
Hi all,
My Nexus 10 seems to be hard bricked.
Here the symptoms:
- Can sometimes be put in bootloader mode
- In bootloader mode, no way to put into recovery mode (the buttons vol up/down do not change the mode = it stays onlw in "Start")
- In bootloader mode, fastboot does not show the device (and of course no way to flash)
- Of course, no OS installed and no way to boot properly
The device seems to be recognized as "Samsung Gadget Serial"..
Any help is welcome !
Thanks
OK FORGET ABOUT IT
I found how to put in recovery mode : press power and BOTH volume UP and DOWN at the same time.
Click to expand...
Click to collapse
Seems an hw problem...

attempted downgrade to kitkat failed -flash-all.bat unable to find boot.img
roscio1975 said:
Seems an hw problem...
Click to expand...
Click to collapse
Hi Guys,
I'm a newb to XDA-developers.
I'll start from the beginning. downloaded image of kitkat from developers.google.com. and abd tools. Typed the fastboot oem unlock in the cmd line and wiped the cache and date/factory reset.
following this I then restarted the tablet and ran flash-all.bat.
On doing this the following was stated in the cmd line:
erasing "recovery"
OKAY
******Did you mean to fastboot format this partition?
erasing 'system'...
OKAY
******Did you mean to fastboot format this partition?
erasing 'userdata'...
OKAY
sending 'bootloader'...
OKAY
writing 'bootloader'...
OKAY
rebooting into bootloader...
OKAY
(at this point the tablet restarts)
<waiting for device>
error: update package missing boot.img
I am now left with it continually with the droid on its back no matter what option I select apart from power off.
If it helps, here's the device info
Product name: manta
Variant: wifi
H/W VERSION: 8
BOOTLOADER VERSION: 8
CARRIER INFO: NONE
SERIAL NUMBER: iT STATES IT
LOCK STATE: UNLOCK
REBOOT MODE FLAG: NONE
Its the none that really worries me
Please help!!!!!
Thanks

Related

[Q] Recovery Flash Problem

Hey
I just flashed first with clockword 3.0.0.5 to Swift and then 3.0.2.8
When i flash i get this on CMD
Microsoft Windows [Version 6.0.6002]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.
C:\android-sdk-windows\adb+fastboot>fastboot.exe flash recovery C:/Recovery.img
< waiting for device >
sending 'recovery' (3778 KB)... OKAY
writing 'recovery'... OKAY
C:\android-sdk-windows\adb+fastboot>fastboot.exe reboot
rebooting...
Click to expand...
Click to collapse
Now when i Press Home+Power it wont give me the recovery just normal boot.
BTW: My fastboot is via volume up + Search button + Power is this okay?
fastboot on the GT540 is CAMERA+POWER BUTTON
are you sure you are in Fastboot mode when you send the comand through adb??
later, in fastboot, when it starts rebooting, as soon as you see the screen turning on, press and hold HOME+POWER
Mitalca said:
fastboot on the GT540 is CAMERA+POWER BUTTON
are you sure you are in Fastboot mode when you send the comand through adb??
later, in fastboot, when it starts rebooting, as soon as you see the screen turning on, press and hold HOME+POWER
Click to expand...
Click to collapse
Well Fastboot aint via Cam+ Power at me. It is Volume up + search button + Power it says Cleary FASTBOOT MODE on screen. Yes i am on fastboot mode on it.
Thats exactly what i did but still
as far as I know, fastboot mode is just a light black screen
what rom are you using??
Well at me it says Fastboot mode
and i am using: http://www.mediafire.com/?y7q20212djy40ap
2.1 Fastboot europe
That's the Europe rom from the FAQ, right?
If that's correct, I can confirm that (at least in mine) the fastboot screen is just a dark empty one
The only mode that I've seen with a description message (beside moded ones like Clockwork) is the Download Mode, wich I think is Volume Down + Power
Maybe yours has Recovery in a different keys combination, just like it does fastboot
What do you want to boot into recovery for??
Mitalca said:
That's the Europe rom from the FAQ, right?
If that's correct, I can confirm that (at least in mine) the fastboot screen is just a dark empty one
The only mode that I've seen with a description message (beside moded ones like Clockwork) is the Download Mode, wich I think is Volume Down + Power
Maybe yours has Recovery in a different keys combination, just like it does fastboot
What do you want to boot into recovery for??
Click to expand...
Click to collapse
To make a recovery and i am reflashing yes from faq
Edit: Didnt work
Edit: Flashed with M5 2.3.4 It worked
Hi!
I want to update recovery from fastboot
2.5.05 => recovery_clockwork_4.0.1.4_swift.img
(win7 64bit) command line:
fastboot flash recovery recovery_clockwork_4.0.1.4_swift.img
windows response:
sending 'recovery' (3792 KB)...
FAILED (command write failed (Unknown error))
finished. total time: 0.638s
fastboot screen:
suspend
suspend
reset
EP1/out FAIL nfo=40 pg()=15418
portchange
usb_read() transaction failed
fastboot: oops!
reset
portchange
any ideas?
sorry my english
thanx
Try this: Pull out the battery and go back into fastboot. Type:
Code:
fastboot erase recovery
fastboot flash recovery recovery_clockwork_4.0.1.4_swift.img
If that doesn't work, try reinstalling your fastboot drivers (In Device Manager)
thanks, work it

[Q] Issues during Flashing - possibly bricked

Hi, hope this is the right place to post this.
So my Nexus 7 (2012) was stuck in a boot loop, Google logo followed the little splash thing and repeat wihtout actually loading up. All I could open was the fast boot menu and the four options: wipe data/clear cache etc. I downloaded the relevant drivers, Android SDK, the factory image etc.
I was following these instructions to unlock the bootloader so I could flash the tablet:
fastboot erase boot
fastboot erase cache
fastboot erase recovery
fastboot erase system
fastboot erase userdata
This all worked fine.
fastboot oem unlock was typed next and the bootloader unlocked fine.
I then went to typed **fastboot flash bootloader bootloader-grouper-4.23.img**. Apparently what's meant to happen is:
sending 'bootloader' <2100KB>...
OKAY [ 0.123s]
writing 'bootloader' ...
OKAY [ 9.876s]
finished. total time: 9.999s
However mine just got stuck at the "writing 'bootloader' ..." stage. It was like this for quite a few minutes when it's supposedly meant to take a few seconds. "Signature match" showed up in the top left corner of the tablet however it is unresponsive, you can't move the buttons to show the Recovery mode/Power Off options.
I foolishly closed the command window and opened a new one. I tried to do the next stage "fastboot reboot-bootloader" however it just says "FAILED (command write failed (unknown error))" You get basically the same for all the other commands either unknown error. If you try to flash the bootloader again it fails and says invalid argument. My tablet was still recognised by the PC, showing the fastboot screen with Start in the top right and signature match in the top left. However any other prompts would fail. Eventually I unplugged the tablet and was able to turn it off with the power button.
Previously I had had trouble opening the fastboot menu or even getting to load to the boot loop (not responding to the button presses very well) however so far the display hasn't powered on at all. The only response you get is when it's plugged in you hear to device connected and disconnected sounds, and it is recognised as APX in the Windows device manager.
So what should I do? Is it fully bricked? My tablet is out of the 1 year warranty (This probably voided it anyway). Greatly appreciate any help anyone can give me
Normally flashing of a bootloader with a signature mismatch should not work, there are some protections build in, so I see two possible situations for you:
Either you are stucked in APX-mode, but the old bootloader is still working: in that case hold down the power button for at least 20 seconds to turn it off completely and then try to restart the tablet again
or flashing of the bootloader started, but failed during writing the new image. In that case the probability that you have a brick is very high ...

Root, Downgrade and install TWRP

For the last week I have been trying to root and install TWRP on my Huawei p8 Lite ALE21. Sofar every attempt has failed.
Steps taken:
Get Bootloader Code
Unlock bootloader with "fastboot oem unlock"
Flash TWRP with "fastboot flash recovery recovery.img"
Result:
When booting into recovery the default "Huawei eRecovery" opens, not TWRP
No app can detect root
Additional info:
TWRP form here: http://forum.xda-developers.com/p8lite/development/testing-twrp-2-8-7-x-huawei-p8lite-qcom-t3187758
Trying to debug the problem, I entered
Code:
fastboot getvar all
this returned
Code:
getvar:all FAILED (remote: Command not allowed)
Additional I have tried to downgrade to android 5.0 again, but after copying the Firmware to the "dload" folder and holding the Volume-Up and Down and Power buttons, the phone wouldn't do anything but show the huawei logo and turn off.
Any help would be very appreciated!
Thank you in advance,
Oisin
Oisins said:
For the last week I have been trying to root and install TWRP on my Huawei p8 Lite ALE21. Sofar every attempt has failed.
Steps taken:
Get Bootloader Code
Unlock bootloader with "fastboot oem unlock"
Flash TWRP with "fastboot flash recovery recovery.img"
Result:
When booting into recovery the default "Huawei eRecovery" opens, not TWRP
No app can detect root
Additional info:
TWRP form here: http://forum.xda-developers.com/p8lite/development/testing-twrp-2-8-7-x-huawei-p8lite-qcom-t3187758
Trying to debug the problem, I entered
Code:
fastboot getvar all
this returned
Code:
getvar:all FAILED (remote: Command not allowed)
Additional I have tried to downgrade to android 5.0 again, but after copying the Firmware to the "dload" folder and holding the Volume-Up and Down and Power buttons, the phone wouldn't do anything but show the huawei logo and turn off.
Any help would be very appreciated!
Thank you in advance,
Oisin
Click to expand...
Click to collapse
In order to boot in twrp recovery you should first remove your usb cable,once is done,press and hold volume up and power button,once you see huawei logo,release power button but keep press on volume up,about firmware witch build number do you have on your phone,share more info if you want a quick help
"No app can detect root"
TWRP isn't root
"fastboot flash recovery recovery.img"
Any error?
"....(remote: Command not allowed)"
i think you have to unlock bootloader
Thank you for you quick response!
Running "fastboot flash recovery recovery.img" returns
Code:
target reported max download size of 471859200 bytes
sending 'recovery' (27062 KB)...
OKAY [ 0.880s]
writing 'recovery'...
OKAY [ 2.084s]
finished. total time: 2.967s
I checked if the bootloader is unlocked with "fastboot oem get-bootinfo"
Code:
(bootloader) unlocked
OKAY [ 0.003s]
finished. total time: 0.003s
I also tried booting into recovery without the cable plugged it, but it still just booted into "eRocovery"
More info
Product: ALE-L21
Serial: W3D4C16916992523
Build: ALE-L21C432BB574
just try this:
1) (re) boot normally
2) attach to pc with usb cable
3) reboot into recovery using adb command: adb reboot recovery
ItalianWolf said:
just try this:
1) (re) boot normally
2) attach to pc with usb cable
3) reboot into recovery using adb command: adb reboot recovery
Click to expand...
Click to collapse
The phone reboots, shows the HUAWEI logo and then turn off again.
Sorry, i didn't read the post linked.
You need twrp 3.0.2 for B5xx, i was thinking you had the right one (2.8.7 works on kk and maybe lollipop), so here you are: http://forum.xda-developers.com/p8lite/general/twrp-3-0-0-0-p8-lite-kirin-t3343320
ItalianWolf said:
Sorry, i didn't read the post linked.
You need twrp 3.0.2 for B5xx, i was thinking you had the right one (2.8.7 works on kk and maybe lollipop), so here you are: http://forum.xda-developers.com/p8lite/general/twrp-3-0-0-0-p8-lite-kirin-t3343320
Click to expand...
Click to collapse
It worked! Thank you very very much! I spend sooo much time on this... wow thanks!

My mate 9 has become a hard brick and I want to help for recovery.

My mate 9 has become a hard brick and I want to help for recovery.
I am Japanese and I am not good at English.
I apologize for being a difficult to read sentence
I purchased MATE 9(MHA-AL00 6GB/128GB).
However, the firmware was MHA-L29C636B183 from the beginning.
I tried updating to Android 8 but I failed.
Currently, it is in the following state.
1. When turn on the power,Huawei logo is not displayed
2. The screen is black and does not react even if the power button is pressed for a long time.
3. use Vol-Up + Power , Vol-Down + Power,3 Button does not respond.
4. However, when I run fastboot devices, The following is returned.
=====
C:\>fastboot devices
N8K021xxxxxxxxxx fastboot
=====
5. fastboot reboot-bootloader respond. but there is no change in the display.
=====
C:\>fastboot reboot-bootloader
rebooting into bootloader...
OKAY [ 0.023s]
finished. total time: 0.025s
=====
When Oreo update failed and turned on,
"ERROR 10 Boot.img" displayed on the screen where the droid doll is displayed,
and it can not start up.
I tried to recover with the following procedure No.1-4, but it got even worse.
https://forum.xda-developers.com/mate-9/how-to/guide-rebrand-chinese-al00-mate9-to-t3554656
Currently, fastboot may be usable. I installed TWRP but I can not use it.
eRecovery also does not work.
I am thinking that I can recover using FASTBOOT FLASH XXXX.IMG.
But I do not know which partition and how to update.
Please tell me about how to recover and related sites.
Thank you
have you tried turning it off and on?
;74563891 said:
My mate 9 has become a hard brick and I want to help for recovery.
I am Japanese and I am not good at English.
I apologize for being a difficult to read sentence
I purchased MATE 9(MHA-AL00 6GB/128GB).
However, the firmware was MHA-L29C636B183 from the beginning.
I tried updating to Android 8 but I failed.
Currently, it is in the following state.
1. When turn on the power,Huawei logo is not displayed
2. The screen is black and does not react even if the power button is pressed for a long time.
3. use Vol-Up + Power , Vol-Down + Power,3 Button does not respond.
4. However, when I run fastboot devices, The following is returned.
=====
C:\>fastboot devices
N8K021xxxxxxxxxx fastboot
=====
5. fastboot reboot-bootloader respond. but there is no change in the display.
=====
C:\>fastboot reboot-bootloader
rebooting into bootloader...
OKAY [ 0.023s]
finished. total time: 0.025s
=====
When Oreo update failed and turned on,
"ERROR 10 Boot.img" displayed on the screen where the droid doll is displayed,
and it can not start up.
I tried to recover with the following procedure No.1-4, but it got even worse.
https://forum.xda-developers.com/mate-9/how-to/guide-rebrand-chinese-al00-mate9-to-t3554656
Currently, fastboot may be usable. I installed TWRP but I can not use it.
eRecovery also does not work.
I am thinking that I can recover using FASTBOOT FLASH XXXX.IMG.
But I do not know which partition and how to update.
Please tell me about how to recover and related sites.
Thank you
Click to expand...
Click to collapse
Is Erecovery working?
what command that you use to flash twrp ??
le grande magnetto said:
have you tried turning it off and on?
Click to expand...
Click to collapse
wmfreak said:
Is Erecovery working?
Click to expand...
Click to collapse
Thank you for your reply.
I turned off the power, but it looks like the power is turned on automatically.
There is no screen display, but confirmed with fastboot devices.
I can not enter eRecovery screen.
superseventh said:
what command that you use to flash twrp ??
Click to expand...
Click to collapse
fastboot flash recovery TWRP8_3.0.3.img
;74565458 said:
fastboot flash recovery TWRP8_3.0.3.img
Click to expand...
Click to collapse
https://forum.xda-developers.com/mate-9/how-to/guide-mate-9-flash-update-package-t3593108
this link will guide you how to HWOTA to update ROM when you already have Oreo update.zip, update_data_public.zip, and update_all_hw.zip put these 3 files in to update folder
if this HWOTA that you download not work try this https://forum.xda-developers.com/mate-9/how-to/guide-mate-9-flash-oreo-update-package-t3699522
it is HWOTA8 to update to Oreo
if twrp won't work try this https://forum.xda-developers.com/mate-9/development/preliminary-twrp-3-1-1-0-mate-9-emui-8-t3687622
superseventh said:
https://forum.xda-developers.com/mate-9/how-to/guide-mate-9-flash-update-package-t3593108
this link will guide you how to HWOTA to update ROM when you already have Oreo update.zip, update_data_public.zip, and update_all_hw.zip put these 3 files in to update folder
if this HWOTA that you download not work try this https://forum.xda-developers.com/mate-9/how-to/guide-mate-9-flash-oreo-update-package-t3699522
it is HWOTA8 to update to Oreo
if twrp won't work try this https://forum.xda-developers.com/mate-9/development/preliminary-twrp-3-1-1-0-mate-9-emui-8-t3687622
Click to expand...
Click to collapse
Thank you for showing me three ways. Since I am going to work from now I will try after going home.
After that, as a result of investigation, I found out that the FRP is locked.
C:\>fastboot oem lock-state info
(bootloader) FB LockState: LOCKED
(bootloader) USER LockState: UNLOCKED
OKAY [ 0.008s]
finished. total time: 0.012s
I am looking for a way to unlock this using FASTBOOT.
If I erase a partition somewhere, will it be unlockd ?
;74570405 said:
Thank you for showing me three ways. Since I am going to work from now I will try after going home.
After that, as a result of investigation, I found out that the FRP is locked.
C:\>fastboot oem lock-state info
(bootloader) FB LockState: LOCKED
(bootloader) USER LockState: UNLOCKED
OKAY [ 0.008s]
finished. total time: 0.012s
I am looking for a way to unlock this using FASTBOOT.
If I erase a partition somewhere, will it be unlockd ?
Click to expand...
Click to collapse
when you rebrand and install ROM with dload and then sign in to Google account the FRP Locked will be dissappear
this following method be the same that you use it before
now try this
1- Unlock bootloader
2- install twrp,
3-do oeminfo backup in twrp,you should have a folder name twrp, inside this folder there is many subfolders.
In last folder there is 2-3 files,those files should be replaced with Oeminfo Al00 : https://www.mediafire.com/download/37n3jqv23j6erq5
Once replaced, put this folder on ur sd card and boot to twrp recovery than restore it.
4- download C00 offline firmware from third post here https://forum.xda-developers.com/ma...o-bootloop-t3534594/post70937310#post70937310 , Download B115 then extract the rar and copy dload folder to external sd card,turn off ur phone than press 3 buttons combination,power volume up and down till the update start.
5- when finished unlock bootloader again
6-install twrp again
7- flash hw_data for C00 in twrp http://update.hicloud.com:8180/TDS/.../v65567/f2/full/all/cn/update_full_all_cn.zip it will give an error, don't worry.
8-flash c00 offline firmware again to have locked bootloader and get rid of the warning message lol
9 factory rest from settings.
10-use system update to get the latest firmware, sometimes you need sim card inserted,and using the download latest package option.
11 done.
Currently, only FASTBOOT can be used,
FRP is preventing the overwriting of the partition,
so I can not try the suggested method.
I studied variously, but I can not find a good solution.
I am planning to use DC-Phoenix (paid service) in a few days.
It seems to be able to update ROM from FASTBOOT even when FRP is locked.
I tried DC-Phoenix, but as a result it failed. The FAST BOOT which I was able to use until now can not be used and the power can not be turned on.
I am disappointed that the method of recovery is gone.
Thank you for your support.
Bricked
GreenOcean said:
I tried DC-Phoenix, but as a result it failed. The FAST BOOT which I was able to use until now can not be used and the power can not be turned on.
I am disappointed that the method of recovery is gone.
Thank you for your support.
Click to expand...
Click to collapse
Well, with fastboot, adb, bootloader mode, and eRecovery gone there is not really a lot you can do short of returning the device to Huawei (hopefully you still have warranty) for a replacement. Just tell them your phone died.

LG h918 in bootloop with only fastboot available. Help!

Hi All,
I just followed the instructions to root my h918 and then successfully updated to h91820h. I then used the TWRP app to flash twrp, and the Magisk app to update Magisk. After that I rebooted from the Magisk app, and now my phone is stuck in a bootloop. I cannot get into download mode, or recovery mode, or the system. I can get into fastboot mode by trying to go into download mode (holding the volume down and plugginto a USB port ot the laptop.
It seems that T-mobile removed any commands from fastboot that will help me. If I try to "fastboot reboot emergency", it just bootloops. If I try fastboot boot a twrp image, I get:
Code:
fastboot boot twrp-3.4.0-1-h918.img
downloading 'boot.img'...
OKAY [ 0.667s]
booting...
FAILED (remote: unknown command)
finished. total time: 0.686s
The command "fastboot reboot bootloader" boots to fastboot. The bootloader is indeed unlocked, but it looks like I'm stuck, because the LG fastboot doesn't allow anything to fix the brick.
Code:
$ fastboot getvar unlocked
unlocked: yes
finished. total time: 0.020s
I'm not finding any hope or help on Google. It seems if I can't boot into twrp or download mode, I'm toast, and I can't figure out how to boot into anything but the bootloader.
Does anyone have any suggestions on how to bring this phone back from the dead?
Thanks,
Rob
frohro said:
Hi All,
I just followed the instructions to root my h918 and then successfully updated to h91820h. I then used the TWRP app to flash twrp, and the Magisk app to update Magisk. After that I rebooted from the Magisk app, and now my phone is stuck in a bootloop. I cannot get into download mode, or recovery mode, or the system. I can get into fastboot mode by trying to go into download mode (holding the volume down and plugginto a USB port ot the laptop.
It seems that T-mobile removed any commands from fastboot that will help me. If I try to "fastboot reboot emergency", it just bootloops. If I try fastboot boot a twrp image, I get:
Code:
fastboot boot twrp-3.4.0-1-h918.img
downloading 'boot.img'...
OKAY [ 0.667s]
booting...
FAILED (remote: unknown command)
finished. total time: 0.686s
The command "fastboot reboot bootloader" boots to fastboot. The bootloader is indeed unlocked, but it looks like I'm stuck, because the LG fastboot doesn't allow anything to fix the brick.
Code:
$ fastboot getvar unlocked
unlocked: yes
finished. total time: 0.020s
I'm not finding any hope or help on Google. It seems if I can't boot into twrp or download mode, I'm toast, and I can't figure out how to boot into anything but the bootloader.
Does anyone have any suggestions on how to bring this phone back from the dead?
Thanks,
Rob
Click to expand...
Click to collapse
How are you trying to boot into download mode, are you trying to do it via fastboot or the hardware buttons?
frohro said:
Hi All,
I just followed the instructions to root my h918 and then successfully updated to h91820h. I then used the TWRP app to flash twrp, and the Magisk app to update Magisk. After that I rebooted from the Magisk app, and now my phone is stuck in a bootloop. I cannot get into download mode, or recovery mode, or the system. I can get into fastboot mode by trying to go into download mode (holding the volume down and plugginto a USB port ot the laptop.
It seems that T-mobile removed any commands from fastboot that will help me. If I try to "fastboot reboot emergency", it just bootloops. If I try fastboot boot a twrp image, I get:
Code:
fastboot boot twrp-3.4.0-1-h918.img
downloading 'boot.img'...
OKAY [ 0.667s]
booting...
FAILED (remote: unknown command)
finished. total time: 0.686s
The command "fastboot reboot bootloader" boots to fastboot. The bootloader is indeed unlocked, but it looks like I'm stuck, because the LG fastboot doesn't allow anything to fix the brick.
Code:
$ fastboot getvar unlocked
unlocked: yes
finished. total time: 0.020s
I'm not finding any hope or help on Google. It seems if I can't boot into twrp or download mode, I'm toast, and I can't figure out how to boot into anything but the bootloader.
Does anyone have any suggestions on how to bring this phone back from the dead?
Thanks,
Rob
Click to expand...
Click to collapse
im having the same problem, i dont have download more or twrp now, all i have is fastboot
i am going to assume going into download mode through fastboot is the only option for the two people posting for help here. from what i see from the posts, both hardware buttons sequence , or the plug in & down volume are the ONLY way to get to fast boot.
and fast boot is the only thing available on the phone.
i have labeled that a soft brick .
i asume one of the two help seekers have used the magisk 20.2 trap?
the release proved to be a problem , there is a tutorial on how to fix it.
i will go look for that and try to edit it into my responce later.
for now, are the two seekers already acomplished in this procedure?
TWRP Installation Tutorial for Linux Mint and Ubuntu users ยป AndroidGuru.eu
TWRP (Team Win Recovery Project) is an open-source custom recovery image for Android devices. It is a replacement for the stock recovery mode that is installed on most Android devices by the manufacturer. TWRP provides various advanced features and options that are not available in the stock...
www.androidguru.eu
20.2 problem notes and fix
Magisk 20.2 Kills LG V20 (All variants) Boot partition. Reverting to 20.1 fixes issue
So over in the LG V20 forum a lot of people are finding out that installing Magisk 20.2 throws the phone into Fastboot mode. https://forum.xda-developers.com/v20/help/direct-installing-magisk-update-wiped-t4028705...
forum.xda-developers.com
frohro said:
Hi All,
I just followed the instructions to root my h918 and then successfully updated to h91820h. I then used the TWRP app to flash twrp, and the Magisk app to update Magisk. After that I rebooted from the Magisk app, and now my phone is stuck in a bootloop. I cannot get into download mode, or recovery mode, or the system. I can get into fastboot mode by trying to go into download mode (holding the volume down and plugginto a USB port ot the laptop.
It seems that T-mobile removed any commands from fastboot that will help me. If I try to "fastboot reboot emergency", it just bootloops. If I try fastboot boot a twrp image, I get:
Code:
fastboot boot twrp-3.4.0-1-h918.img
downloading 'boot.img'...
OKAY [ 0.667s]
booting...
FAILED (remote: unknown command)
finished. total time: 0.686s
The command "fastboot reboot bootloader" boots to fastboot. The bootloader is indeed unlocked, but it looks like I'm stuck, because the LG fastboot doesn't allow anything to fix the brick.
Code:
$ fastboot getvar unlocked
unlocked: yes
finished. total time: 0.020s
I'm not finding any hope or help on Google. It seems if I can't boot into twrp or download mode, I'm toast, and I can't figure out how to boot into anything but the bootloader.
Does anyone have any suggestions on how to bring this phone back from the dead?
Thanks,
Rob
Click to expand...
Click to collapse
ok i found a way to get into twrp (if ever installed)
1- turn off your phone
2- hold Volume Down + Power button until you see the LG logo
3- When you see the Logo release the power button while still holding the volume down and immediately after release press power button 3 times.
4- you will see a factory reset screen, press yes twice and it will go to twrp.
NOW WE NEED TO FIND A WAY TO FLASH A WORKING ROM THRU TWRP

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