Re-lock Bootloader ZD551KL or Unlock Bootloader - ZenFone 2 General

Hi guys.
I have Zenfone Selfie (ZD551KL), but i'm unlock bootloader and smartphone not update from ota;
Some people have one proceedings of block bootloader.

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Ota update on unlocked bootloader?

Hi all,
I have unlocked bootloader, stock image but no root (was planning on selling it).
I haven't received the OTA yet.
Will the update make it through or do I have to relock the bootloader??
Thanks
OTA update process is long. In Nexus 7 tablets who have locked bootloaders are the same. That is normal.
So i guess it doesn't matter if it's locked or unlocked?
Thanks again

[Q]:Trouble after unlocking bootloader

Hello dears.
I unlocked my p9 lite's bootloader and relocked it when i relock bootloader my system apps missed and when i trying for flash via 3 buttons method it not working and I can't update my phone.
If you know any solution please tell that!
sorry for bad english(google translate)
found this but not yet tried it.
https://forum.xda-developers.com/hu...ution-bl-unlockedfrp-locked-fastboot-t3684302

Zenfone 3 ZE520KL update to Oreo before unlocking bootloader?

Is it better to update to Oreo first before unlocking the bootloader and installing twrp? I have a brand new Zenfone 3 5.2 inch
adriansiv said:
Is it better to update to Oreo first before unlocking the bootloader and installing twrp? I have a brand new Zenfone 3 5.2 inch
Click to expand...
Click to collapse
Just follow my steps:
https://forum.xda-developers.com/zenfone-3/how-to/updated-unlock-relock-bootloader-t3749456
You'll unlock the bootloader unofficially & will be upgraded to Oreo (warranty will not void & you'll receive OTAs)

OTA and QFIL flash after unlocking bootloader lenovo z6 pro

On other phones, i have, unlocking bootloader does not affect OTA updates or QFIL flashing(bootloader stays unlock in both). Would it be the same on z6 pro?. Am on latest China stock rom

Switch firmware from Russian to Global

Hi guys.
I am new in Xiaomi devices and a little confuse about region firmware, lock and unlock bootloader in Xiaomi phones.
My Mi 9T firmware is latest russian firmware (QFJRUXM) and bootloader locked now (I do unlock bootloader before, but re-locked and back to official FW)
Can i unlock bootloader again, install global firmware with MiFlash Tool, then re-lock bootloader?
I hear only relock after switch from china to global or reverse can break device. Is this true?

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