Relocking bootloader to remove the bootloader warning? - Google Pixel 2 Questions & Answers

Hi,
So I've unlocked my bootloader to get twrp and magisk...
Being that I'm still on a stock ROM except for kernel and recovery can I relock the bootloader?
Any harm to relocking?
Thanks

Related

[Q] Hboot 1.18 unlocked bootloader, need help upgrading to ICS

I have hboot 1.18, with bootloader unlocked using HTC Dev, and I'm running ARHD with stock kernel.
Revolutionary gives me the zerg root error, so I used HTC Dev method. But now I'm unable to use the tacoroot method because my bootloader is unlocked. I tried relocking the bootloader, but that gives me a security warning and I can't boot my phone normally without unlocking it again.
Can someone please tell me how to upgrade to ICS now?
I'm a noob and I don't want to experiment too much and brick my phone.
crimsonedge03 said:
I have hboot 1.18, with bootloader unlocked using HTC Dev, and I'm running ARHD with stock kernel.
Revolutionary gives me the zerg root error, so I used HTC Dev method. But now I'm unable to use the tacoroot method because my bootloader is unlocked. I tried relocking the bootloader, but that gives me a security warning and I can't boot my phone normally without unlocking it again.
Can someone please tell me how to upgrade to ICS now?
I'm a noob and I don't want to experiment too much and brick my phone.
Click to expand...
Click to collapse
hmm by relocking you mean fastboot oem lock ?
that should not give security warning...
also before trying tacoroot ...you should flash stock recovery first...any GB stock recovery would do...(fastboot flash recovery recovery.img)
I had a NANDROID backup which I made just after unlocking the bootloader and rooting my phone. I restored that backup before relocking (fastboot oem lock) but it gave me the security warning.
Also, what if I relock the bootloader and then run a BG RUU? Would that work?

[Q]Unlock bootloader without reset to factory

I unlocked my bootloader in the past but I needed to relock to update my stock firmware. I relocked it by flashing this https://www.dropbox.com/s/bq29i4f6vmlxptk/Xperia_U_ST25i_Relock_Bootloader.ftf . Now, is my bootloader still unlocked? If not how can I unlock and after that come to my current setup? Will a TB backup do it?
Anyone?

How too relock bootloader?

I understand that by installing stock rom I loose root.
But how do I relock the bootloader?
Why would you want to relock your bootloader? There is no need for it.
To answer your question:
fastboot oem lock
In fastboot mode off course.
Sent from my One Plus One

Can I root without unlocking my boot loader?

Is there a way to just root your phone without unlocking your boot loader? I just want to simply root and install some apps that require root but that is it.
Thanks...
falcon26 said:
Is there a way to just root your phone without unlocking your boot loader? I just want to simply root and install some apps that require root but that is it.
Thanks...
Click to expand...
Click to collapse
I'm pretty sure that you need to unlock your bootloader first.
Not sure if you can unlock - root - relock ??
I think this is not possible yet without unlocking the bootloader.
johnhux7 said:
I'm pretty sure that you need to unlock your bootloader first.
Not sure if you can unlock - root - relock ??
Click to expand...
Click to collapse
Once you unlock and relock your bootloader, its status will be relocked, so your warranty is void anyways.
So I have to unlock the boot loader first. Dam I assume that is on the difficult side of things as well...
takichiman said:
Once you unlock and relock your bootloader, its status will be relocked, so your warranty is void anyways.
Click to expand...
Click to collapse
If you want the status to show "locked" and not relocked to get your warranty back, you can use the downgrade package from nougat to marshmallow and flash stock B131.
I managed to relock my bootloader using this method : my fastboot screen says "locked" (and not "relocked")
Axelguitt said:
If you want the status to show "locked" and not relocked to get your warranty back, you can use the downgrade package from nougat to marshmallow and flash stock B131.
I managed to relock my bootloader using this method : my fastboot screen says "locked" (and not "relocked")
Click to expand...
Click to collapse
Anyone could confirm it?
falcon26 said:
Is there a way to just root your phone without unlocking your boot loader? I just want to simply root and install some apps that require root but that is it.
Thanks...
Click to expand...
Click to collapse
Wait for kingroot method. No need to unlocking bootloader to root, people do it because its only one way to have root on honor 8 now - by flashing supersu in twrp, and twrp/modified recovery you can flash only if you unlocked your bootloader first.
WYPIERDAALAAC said:
Anyone could confirm it?
Wait for kingroot method. No need to unlocking bootloader to root, people do it because its only one way to have root on honor 8 now - by flashing supersu in twrp, and twrp/modified recovery you can flash only if you unlocked your bootloader first.
Click to expand...
Click to collapse
I confirm.

Can I relock my already unlocked bootloader ?

Please guys,
I unlocked my bootloader a while ago. Since I'm not using any rooted app or anything I'd like to revert back.
Is it possible to build the bootloader again? With a new fastboot rom maybe, I don't know.
https://forum.xda-developers.com/oneplus-6/help/help-unrooting-relocking-bootloader-t3938600
https://forum.xda-developers.com/oneplus-6/help/oneplus-6-bootloader-relock-t3866287
https://forum.xda-developers.com/oneplus-6/help/return-to-stock-lock-bootloader-how-t3807695
Yes
fastboot rom will not relock bootloader, use msm tool

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