Navigate to the Repair tab. Enter the original 15-digit IMEI number found on the device's back cover or original box into the "IMEI" field.
Open on your PC. Flash TWRP via the AP slot (make sure Auto-Reboot is unchecked in Odin settings). g930f u8 imei repair z3x
After the IMEI is repaired, the device will likely show "Emergency Calls Only" or "No Service." tab again and click Patch Certificate Navigate to the Repair tab