Bootloader question - Nexus 6P Q&A, Help & Troubleshooting

Just want to clarify, If I have my Bootloader unlocked and fastboot flash the new Bootloader image from a factory image file will the Bootloader stay unlocked or will it re-lock? My phone is encrypted if it matters. Thanks.

JeffBea said:
Just want to clarify, If I have my Bootloader unlocked and fastboot flash the new Bootloader image from a factory image file will the Bootloader stay unlocked or will it re-lock? My phone is encrypted if it matters. Thanks.
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It will stay unlocked. You can upgrade or downgrade bootloaders without any issues.

JeffBea said:
Just want to clarify, If I have my Bootloader unlocked and fastboot flash the new Bootloader image from a factory image file will the Bootloader stay unlocked or will it re-lock? My phone is encrypted if it matters. Thanks.
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Your bootloader will always remain unlocked unless you deliberately issue the "fastboot flashing lock" command.

Related

Unlocking/Locking/Relocking Bootloader

Hi XDA!
I recently unlocked my phone's bootloader to install an update for my p8lite and I want to lock it back. There is an option called relocking the bootloader and I want to know whether it is the same as locking the bootloader. Also will the ability to flash ROMs through fastboot lose after i relock it?
Thanks
Yes, it is the same, and yes, you will lose the fastboot flash ability. However, the fastboot screen won't show "Locked", it will show "Relocked"

Unrooting and re-locking bootloader?

Is there any way I can unroot my G4 and re-lock the bootloader (fully, removing the message), after doing it I realise I might not get OTA updates and the reason I rooted in the first place is no longer needed. Thanks
ethantownley said:
Is there any way I can unroot my G4 and re-lock the bootloader (fully, removing the message), after doing it I realise I might not get OTA updates and the reason I rooted in the first place is no longer needed. Thanks
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Reflash stock firmware via fastboot, then issue command "fastboot oem lock", although it'll change the bootloader state to "relocked" instead of the factory "locked".

Relock bootloader problem - Still require signed boot.img? [QUALCOMM]

I'm trying to get one of my E4's ready to sell (I have two of them) and need to relock the bootloader so that the N/A message goes away. I reinstalled the stock firmware provided here using fastboot (and followed the appropriate oem locking steps) but at the very end I get:
Code:
Still require signed boot.img
I am assuming nobody has found a workaround for this as Lenovo hasn't provided official stock firmware and I haven't seen any posts about a solution? Would appreciate any insight.
Not possible currently, just let the buyer know that the bootloader is unlocked and it's root ready lol.
Is it still currently not possible to relock the bootloader?
AZImmortal said:
Is it still currently not possible to relock the bootloader?
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fastboot oem lock_bootloader
Then go to Motorola.com grab a stock image
Fastboot flash boot boot.img and everything else too.
Fastboot flash
bootloader
oem
Boot
Logo
system
Etc....
I did this and had to use my code that they emailed me to unlock the boot loader again.

s-975l

Is the bootloader on this phone already unlocked? In other words, can I flash TWRP to it? Thanks

I can't manually install any ota update after locking the bootloader on 12.0.9

I don't want to unlock the bootloader again and i don't like this update because it doesn't have google discover.. what can i do?
You can just stay on current version.
Or just install via fastboot and fastboot ROM
yaro666 said:
You can just stay on current version.
Or just install via fastboot and fastboot ROM
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Without unlocking the bootloader? How?
Ok, so you stated that bootloader is locked, I thought you are considering locking it again.
In that case you have no option, but unlocking bootloader to flash different miui ROM
yaro666 said:
Ok, so you stated that bootloader is locked, I thought you are considering locking it again.
In that case you have no option, but unlocking bootloader to flash different miui ROM
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I did exactly that. Thank you.

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