
It may be software (modem firmware or EFS / Security damaged or unsuitable firmware written) or HW problem. Hello, if you read in the z3x register that you have published and in the phone screen you have the unknown baseband (modem), also check the service mode from the keyboard, do this code * # 0011 # and check the base band and imei if unknown

Press 'Reset EFS' if you need to reset it.īe carefully, do not perform this without necessity. Press 'Patch Certificate' if you have network problem after repairing.ħ. Connect the phone to PC with USB cable, install drivers if needed.ħ. Go to 'Settings'-'Developer options' and enable 'USB debugging'.ģ.


Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options', If the software can't root the phone automatically,Ģ.
