3. Finaly, relock the bootloader (optional)
only how it is mentionned at the bottom of the official instructions in the “Smartphone Selector” for your device → “Official or Community install doc” for your device → “Command line” install page for your device !
only if the android security update in the previously installed OS was
older than the android security update included in the version you want to install
only if the newly installed version is an Official one, not a Community version.
This will wipe your phone (again) . . .
re-enable Developer Options, USB debugging and allow OEM unlocking
with the device in bootloader mode,
- Open a terminal from the “/platform-tools” location
- and check bootloader status by running :
./fastboot oem device-info
./fastboot flashing get_unlock_ability
if the return is 1
→ you will be able to relock
if the return is 0
→ locking should be feasible, BUT you will not be able to unlock again in the future…
→ it is advised to