It took me couple hours to get an unlock granted, then the unlock was done in couple minutes - it does require to read the instructions though. After the unloc

It took me couple hours to get an unlock granted, then the unlock was done in couple minutes - it does require to read the instructions though. After the unlock: fastboot flash recovery twrp.img fastboot boot twrp.img <Couple swipes to Install the previously downloaded .zip> Same as Nexus.