Does relocking bootloader wipe the phone - Huawei P20 Pro Questions & Answers

I've had my phone bootloader unlocked for a few weeks now and in that time I haven't done anything else with it. So I want to relock it for now. But no one seems to say if the relock process is destructive, like the unlock process.

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Bootloader says relocked

Okay this is a really stupid question, but I unlocked my bootloader last week and planned on rooting it today. When I enter the bootloader, it says "relocked" instead of "unlocked" the way I remember having it. If I wanted to root, would I have to unlock it again?
Also once I root, do I have to relocked my bootloader? What are the risks if I don't?
noobdroider said:
Okay this is a really stupid question, but I unlocked my bootloader last week and planned on rooting it today. When I enter the bootloader, it says "relocked" instead of "unlocked" the way I remember having it. If I wanted to root, would I have to unlock it again?
Also once I root, do I have to relocked my bootloader? What are the risks if I don't?
Click to expand...
Click to collapse
yes, u need to unlock to root...no, no need to relock...the only reason to ever relock would be to run a RUU (if you're s-on)
Thank you, I'm now fully rooted

Relocking the bootloader

I've always used flashtool to relock the bootloader and it has gone without problems every.single.time... until now...
I want to relock the bootloader so I can use the DRM Restore Mod (I was one of the early adopters that unlocked the bootloader to flash recovery before we figure out that you lose the DRM keys :crying, but when I click the button, nothing happens, the log says that the bootloader WAS relocked but in fact it hasnt (I've tested it by trying to restore the phone with Sony official tool).
Has anyone else dealed with this kind of issue?

Re-lock bootloader

Hi,
Some time ago I unlocked the bootloader and rooted my device. Didn't know it was possible to root without unlocking the bootloader (yes, i'm quite new to rooting etc.). Now my phone has a defective headphone-jack and I need to send it on repair. Anyone know how to re-lock the bootloader so I still have the warranty?
Currently running sLIM 4.8 by Wajk.
Use flashtool
Thanks, but it says on Sony's website that the phone stays unlocked even after using flash tool?
Code:
fastboot oem lock
Never done it in Sony phone but most of HTC, Nexus and few other brands I'm locking just with this command.

Bootloader back to locked after debrand without me doing it.

Hello.
Normally after relocking the bootloader on these phones it will say relocked. While debranding my phone I had the phone bootloader unlocked and rooted, with the untrusted boot up message. Half way through the debranded procedure I had massive issues with encryption and it not letting me past which took an age to sort out.
Once I passed that I managed to finish debranding the phone, but after flashing the the new firmware to the phone I stopped seeing the unlocked bootloader message, when I hadnt relocked the bootloader. When I checked, the bootloader was locked and frp was unlocked.
Everything is working fine with the phone, receiving updates, all themes working, everything working great.
I just don't fully understand how it's relocked itself, but Instead of it showing relocked it shows the original locked, but frp is now unlocked while the phone is locked, both originally said locked.
Anyone have any ideas. ????
Same for me
Look at
http://forum.xda-developers.com/p9-plus/how-to/guide-how-to-lock-unlocked-relocked-t3465486
Did you find out why frp doesn't go back to locked Instead of staying unlocked. I only ask because my NatWest app says i'm rooted or security settings have changed and won't let me log in via fingerprint. I wonder if it's because of this. ????
Edit. If you remove USB debugging and OEM unlock it relocks the frp lock.
Good thank you for sharing it

Good idea to relock bootloader

ok, so I've heard a few people lock their bootloaders after flashing twrp a new ROM and rooting now I've heard this has screwed people over before, but id just like to know is it wise, this is mainly just to get rid of the bootloader unlocked splash screen.
Locking the bootloader is a terrible idea if you intend to keep root and TWRP. If anything goes wrong, you're likely going to brick your phone with no way of restoring data.
If you do want to relock your bootloader to remove the bootup warning, completely revert your phone back to stock first (including recovery, OS, and kernel).
I think when you relock or unlock your bootloader it wil wipe internal storage so be sure when you relock or unlock your bootloader.Its an splash screen click on power button and its gone in a second so i really dont know why people are still talking about the splash screen?

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