-OK thanks, and where can I download the abl.img from F.10?Don't need to install full firmware just flash abl.img from F.10
To do this reboot device with unlocked bl in fastbootd mode... Command : "adb reboot fastboot".. then use flash command "fastboot flash abl_a abl.img with its location"
Then 2nd slot "fastboot flash abl_b abl.img"
Remember to flash it in both slots otherwise you'll end up in hard brick.
-Also, based on what I've read, its possible then to re-lock the bootloader once this is done?
-Would future OTA rom updates replace / overwrite ABL.img? so we'd have to refrain from updating (or reflash each time?)
-And is there anything that is good for saving the entire phone image before unlocking the bootloader so that I can restore it later?