: If the phone updates or is factory reset, the "Patch Certificate" may be lost, and you will need to re-root and re-patch.
*#0011# : Service Mode to check and Certificate Status (NG = Not Good, OK = Patched). g930f u8 imei repair z3x
Step 5 — Post-write verification and modem repair : If the phone updates or is factory
If the network still fails, re-running the Patch Certificate option is the standard solution. the "Patch Certificate" may be lost
Enter the original IMEI number (found on the back cover or via ) into the