Restoring a bootloader typically involves reinstalling the software that manages the boot Process of your device. The Steps we share below are works only on OnePlus 9RT which lossed bootloader after relocking it.
Steps to Enable/Restore bootloader on OnePlus 9RT
- download this software (F.13) update package
- use Oplus local updater & Install it
- wipe data & reboot
- run command
adb reboot bootloader
Related:
- OnePlus 9R Stock Firmware Flash File
- How to Fix hard bricked OnePlus 9 RT
- Download Google Camera app for OnePlus 9RT