N971n U2 Imei Repair Z3x |best| Page

Watch the log window; the phone may reboot during this process. 4. Network Patching (Patch Certificate)

You may need to downgrade the security patch level firmware while remaining strictly within the scope. Never attempt to flash a U1 binary. Circle with a line / No Service Certificate status is broken (NG). n971n u2 imei repair z3x

Rewriting the IMEI zeroes out or invalidates the digital network signature of the phone, leaving it in an "NG" (No Good) network status. You must patch the certificate structure to restore active network registration. Watch the log window; the phone may reboot

Magisk root permissions were not granted in time, or the root is unstable. Never attempt to flash a U1 binary

in many countries if it involves changing the IMEI to a different number. This guide is for educational purposes and for repairing the original IMEI of the device. Data Loss: This process will wipe all user data.