Relocked Bootloader - Huawei P20 Lite Questions & Answers

Hi guys, I'm having a little problem after relocking my bootloader. It seems to be stuck on the EMUI logo and doesn't want to proceed with doing the factory reset.
I can't get into fastboot mode anymore as I can't power down the phone so I can hold down vol- and plug in the usb cable. If I try, the phone just restarts and ends up back at the EMUI logo.
Any help would be greatly appreciated!

s_nyy said:
Hi guys, I'm having a little problem after relocking my bootloader. It seems to be stuck on the EMUI logo and doesn't want to proceed with doing the factory reset.
I can't get into fastboot mode anymore as I can't power down the phone so I can hold down vol- and plug in the usb cable. If I try, the phone just restarts and ends up back at the EMUI logo.
Any help would be greatly appreciated!
Click to expand...
Click to collapse
-Why you relock the bootloader?
-Your device was working without issues when you sent the relock command?
-Your device was 100% with stock firmware?

Thread closed as per OP's request.

Related

Hard Bricked cant boot hboot & OS

Hi,
I was just above to flash stock rom to receive JB update,
switched my desire then not able to boot into hboot, unable to boot into os.
led is turning on while attaching usb.
please help.
vipinlahoti said:
Hi,
I was just above to flash stock rom to receive JB update,
switched my desire then not able to boot into hboot, unable to boot into os.
led is turning on while attaching usb.
please help.
Click to expand...
Click to collapse
first question, can you boot to bootloader/fastboot?
w1040 said:
first question, can you boot to bootloader/fastboot?
Click to expand...
Click to collapse
No, cant,
no bootloader just led on when attaching cable.
and PC detects as "unknown device attached"
vipinlahoti said:
No, cant,
no bootloader just led on when attaching cable.
and PC detects as "unknown device attached"
Click to expand...
Click to collapse
I think your only option is to restore it via RIFF JTAG... I don't know another way...
vipinlahoti said:
Hi,
I was just above to flash stock rom to receive JB update,
switched my desire then not able to boot into hboot, unable to boot into os.
led is turning on while attaching usb.
please help.
Click to expand...
Click to collapse
Is ur device booting in Qualcomm diagnostic mode.....?
If ur phn does then there is a possibility of flashing stock Rom
If u don't know..just Google it.....!
Sent from my ST25i using Tapatalk 2
@ OP, did you charge it?
Sent from my awesome fridge
yes, from last 2 hrs its on charging.
I donno what is RIFF JTAG and Qualcomm diagnostic mode
googling it....
If you haven't done it yet, pull out the battery, put it back in and try to get into bootloader or recovery. (the pulling out the battery part is important)
by the way, what exactly is happening when you try to boot? please describe step by step what is happening. And what do you mean by boot "into hboot"?
And how did you try to go back to stock? Did you even get into the stock rom. Didn't you just forgot to flash the boot.img when going back to stock?
DeXeS said:
If you haven't done it yet, pull out the battery, put it back in and try to get into bootloader or recovery. (the pulling out the battery part is important)
by the way, what exactly is happening when you try to boot? please describe step by step what is happening. And what do you mean by boot "into hboot"?
And how did you try to go back to stock? Did you even get into the stock rom. Didn't you just forgot to flash the boot.img when going back to stock?
Click to expand...
Click to collapse
to flash a rom I
1. Switched off my phone,
2. hold power + vol down (to boot into bootloader recovery), just blank screen no boot.
3. hold power button + vol up, again just blank screen no boot.
4. when us connected led lights up, and PC detects as "unknown device found".
not booting at all.
vipinlahoti said:
to flash a rom I
1. Switched off my phone,
2. hold power + vol down (to boot into bootloader recovery), just blank screen no boot.
3. hold power button + vol up, again just blank screen no boot.
4. when us connected led lights up, and PC detects as "unknown device found".
not booting at all.
Click to expand...
Click to collapse
but did you remove the battery and put it back in or not? If so and it still does not want to go into bootloader, it really is bricked.. Bring it to a service center for repair..
DeXeS said:
but did you remove the battery and put it back in or not? If so and it still does not want to go into bootloader, it really is bricked.. Bring it to a service center for repair..
Click to expand...
Click to collapse
Tried already but no luck,
Damn mine is rooted and bootloader not sure whether they repair or not
vipinlahoti said:
Tried already but no luck,
Damn mine is rooted and bootloader not sure whether they repair or not
Click to expand...
Click to collapse
If its hard bricked ,they wouldn't no.
..
navmad
mate maybe the screen of your phone has the problem...thats why it shows only blank...
mhb92 said:
mate maybe the screen of your phone has the problem...thats why it shows only blank...
Click to expand...
Click to collapse
That depends, if the device doesn't even shake, then it's not the screen.
Sent from my awesome fridge
Guys, I dont think having any screen problem, bcoz, no vibration during powering on, just a blank screen btw I have given to service center,
just finger crossed

[Q] Stock HDX 7 Stuck in Fastboot

Hi. My sons HDX is stuck in fastboot mode. Amazon support only offered him a discount to replace it. I thought maybe I could do something to wake it up or reflash it but from what I'm reading this is a difficult device. I have been able to get it to respond to the fastboot reboot command in linux but nothing else. This device has never been rooted/flashed/modded and I don't know how it got this way. Is there anything I can do at this point besides throw it away?
Thanks.
when you are at the fastboot screen...
press the power button for 10-20 sec. and it will shut down...
than try to power it on again.... (try it with unplugged usb)
maybe this helps...
If possible, I would unlock the bootloader and then try this guide: http://forum.xda-developers.com/showpost.php?p=22077057&postcount=11
This device has never been rooted/flashed/modded and I don't know how it got this way.
Click to expand...
Click to collapse
Just thought this means the HDX is on 4.5.2(3)
thanks for the responses. I have tried rebooting the device many times with or without usb plugged in. I've held the power button for 25 seconds until it starts rebooting again. It always boots to a gray kindle fire logo and says fastboot. I've tried the fastboot -i 0x1949 oem idme bootmode 4000 command but it says the hw is locked. From what Ive read, the bootloader cant be unlocked right?
ianedward said:
From what Ive read, the bootloader cant be unlocked right?
Click to expand...
Click to collapse
Do you recall the firmware level (eg: 3.2.6; 4.5.2)?
Edit: After shutting down (completely off) have you tried power+volume up to access Amazon's crippled recovery? From there you might be able to initiate a factory reset.
i have tried to power it on with different button combinations. I can only get to the same fastboot screen.
oh and I have no idea what firmware it was on.
ianedward said:
i have tried to power it on with different button combinations. I can only get to the same fastboot screen.
oh and I have no idea what firmware it was on.
Click to expand...
Click to collapse
Yeah, it was a long shot. At this point you may be hosed unless someone knows of a way to recover in fastboot given the state of your device (locked, unrooted, version unknown). Might want to try Amazon again. A different rep may be more accommodating. Sorry, mate.

LG G5 [Über Bricked] help!

Hello dear all,
I have managed to brick my LG G5 like an Old Mill Brick.
My LG G5 (lg g5 h850 titan) does not boot. It comes with an error message as follows: Your device is corrupt. It cannot be trusted and will not boot.
What I already did to Unbrick:
Tried to unlock the OEM. No way from USB Debugging as I cannot go into OS.
Tried unlock the OEM from fastboot (remote: oem unlock is not allowed).
Tried to flash some things like (boot.img, system.img) even adb sideload stuff. Nothing works. I cannot flash anything because (flashing not allowed) because OEM is not unlocked, but cannot unlock the OEM because it is not allowed. WHAT in the brick do I have to do now?
Cause of the brick of the bricks:
The LG G5 was on LineageOS, all stable and solid. When a prompt appeared telling me that I have to update the OS. So I was like yeah ok whatever. BUT, it did from OTA. I also had a specific LineageOS APP for updating the OS. After some minutes (updating) I immediately panic and started worrying. BECAUSE, I knew what time it was (my device is dead). I wanted to turn my phone off but it was already in Recovery (TWRP). So I just hit cancel. BUT after booting up the LG G5 that corrupt device error appeared and I cannot manage to get rid of it.
Please I need your help! I also watched and tried (2+ hours) to manage to solve this via Google and different links and Unbrick guides but nothing happens. I cannot unlock the OEM because it is not allowed. I cannot flash anystuff because the OEM is not unlocked.
Update: So, there is no Recovery System present. No stock Recovery, No TWRP. And I think no OS either. So only thing that is present is the bootloader screen smh.
Can you still get to TWRP?
firenemesis7 said:
Can you still get to TWRP?
Click to expand...
Click to collapse
No If I hold the volume down button and Power and when the LG Logo appears I release the power off and press again nothing happens. It goes again into that error. I can go in bootloader but can't do anything with adb or fastboot.
I think TWRP is gone too :/
You should be able to get into download mode. Hold the volume up button with phone fully powered down. While you hold the volume up button insert the usb cable. Then you can flash the full system kdz with LGUP
https://www.youtube.com/watch?v=_V7Mtd3eKzk
firenemesis7 said:
You should be able to get into download mode. Hold the volume up button with phone fully powered down. While you hold the volume up button insert the usb cable. Then you can flash the full system kdz with LGUP
https://www.youtube.com/watch?v=_V7Mtd3eKzk
Click to expand...
Click to collapse
Thank you very much! I didn't know I could do it in anotherway. Will definitely try this! Thanks again!

Get stuck on bootloop

I have unlockbootloader my v300k after i flash it to us998 to root it get bootloop and i cant get to fastboot or download. What can i do ? pls help mee
giabao574 said:
I have unlockbootloader my v300k after i flash it to us998 to root it get bootloop and i cant get to fastboot or download. What can i do ? pls help mee
Click to expand...
Click to collapse
Go to the Korea thread and see what they say?
giabao574 said:
I have unlockbootloader my v300k after i flash it to us998 to root it get bootloop and i cant get to fastboot or download. What can i do ? pls help mee
Click to expand...
Click to collapse
you don't know how to get into bootloader or you can't get into bootloader?
I cant get into bootloader . Because when i plug cabble into my phone it started to charge . I try with fastboot and download mode but it cant . I think my phone lost bootloader
giabao574 said:
I cant get into bootloader . Because when i plug cabble into my phone it started to charge . I try with fastboot and download mode but it cant . I think my phone lost bootloader
Click to expand...
Click to collapse
it - from time to time - shows the charging logo,
then just force it to reset: power button + volume down - keep both pressed until it resets (screen off),
then keep the volume down button pressed
<-- with the usb cable plugged in all of the time
That should get you into bootloader.
Note:
the phones behaves really weird and it could be that it shuts off while in bootloader.
In that case simply disconnect the USB cable, connect it to the phone only and then - while the volume button down is pressed - connect it to PC
zacharias.maladroit said:
it - from time to time - shows the charging logo,
then just force it to reset: power button + volume down - keep both pressed until it resets (screen off),
then keep the volume down button pressed
<-- with the usb cable plugged in all of the time
That should get you into bootloader.
Note:
the phones behaves really weird and it could be that it shuts off while in bootloader.
In that case simply disconnect the USB cable, connect it to the phone only and then - while the volume button down is pressed - connect it to PC
Click to expand...
Click to collapse
I tried so hard but it can't it always go to show charge logo and my pc cant recognize my phone .
Lg v30 Boot loop stuck no pc detection
My LG v30 suddenly stuck in Boot loop there is no sign of dection in the PC. All combination of buttones tried but all in vain.
Any trick please
LG V30 bootloop
amarsaeed said:
My LG v30 suddenly stuck in Boot loop there is no sign of dection in the PC. All combination of buttones tried but all in vain.
Any trick please
Click to expand...
Click to collapse
Hi, I seem to have the same problem... the phone loops the startup screen and the USB connection is not working. I can get the initial download mode screen to appear for a minute, the looping starts again.
I think I have a brick...
hammeru said:
Hi, I seem to have the same problem... the phone loops the startup screen and the USB connection is not working. I can get the initial download mode screen to appear for a minute, the looping starts again.
I think I have a brick...
Click to expand...
Click to collapse
have you tried Master Reset?
ChazzMatt said:
have you tried Master Reset?
Click to expand...
Click to collapse
MAJOR EDIT: Master Reset worked, is accessed by holding vol down and power until screen goes dark, release power when the lg logo appears, count to 2, press power again until factory reset screen, say yes, should put you into twrp (provided you already have it installed of course)
Is there a button combination to do this? I'm fearing I also bricked my us998 by dirty flashing from aospx to the johnfawkes stock rom after I randomly stopped getting lte connection. Probably definitely should have factory reset but there were a few pictures I didn't want to lose and now I am really wishing I had bitten the bullet on them to save my phone. Current situation is a loop at the verizon startup screen, vol down and power can initiate a restart and from there I can hold vol up to get the initial download mode splash screen but then the screen goes dark and the device starts to loop again. Any suggestions would be greatly appreciated.
rollthedaisuke said:
MAJOR EDIT: Master Reset worked, is accessed by holding vol down and power until screen goes dark, release power when the lg logo appears, count to 2, press power again until factory reset screen, say yes, should put you into twrp (provided you already have it installed of course).
Click to expand...
Click to collapse
Glad you got it figured out.

Huawei Y5II Bootloop

So... My phone is stuck in bootloop after trying to flash stock recovery via Fastboot. I can't acces bootloader nor recovery. Is there any way to flash stock recovery without getting into bootloader? My PC recognizes the phone as MTP USB Device. I dunno why (it never done it before) but the phone powers off when disconnected from any power source. Please HEEEEEEEELP!!!:crying::crying:
alex_edi18 said:
So... My phone is stuck in bootloop after trying to flash stock recovery via Fastboot. I can't acces bootloader nor recovery. Is there any way to flash stock recovery without getting into bootloader? My PC recognizes the phone as MTP USB Device. I dunno why (it never done it before) but the phone powers off when disconnected from any power source. Please HEEEEEEEELP!!!:crying::crying:
Click to expand...
Click to collapse
Did you try to press volume down+ power button until you see bootloader mode , if you don't , I think you should definitely give it a try :fingers-crossed:

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