Up to Android 7 and early Android 8 with 2018 security patch
Connect it to PC and install drivers (install HiSuite softwarefor drivers). Then put phone in manufacture mode. On dialpad type *#*#2846579#*#*, select “Project Menu”, “Background settings”, “USB ports settings”, “Manufacture mode”.
- Press “Read phone info” button and wait until phone is fully detected
2. Select “Unlock” tab
3. Press “Read Bootloader code” button and wait until code is provided on memo window
