If the firmware wipe erased your IMEI, use the QPST tool to restore the .qcn backup file you created during Step 3.
Most ZTE devices allow for a standard unlock code input. zte mf910 unlock firmware
Ensure your firewall is disabled. Change the USB cable to a rear motherboard port if using a desktop PC. If the firmware wipe erased your IMEI, use
– Web UI accessible but no network: