Instead of risking the device with IMEI manipulation, you can use these official diagnostic and utility codes: Check IMEI Check Firmware Version Soft Reset (Settings Only) Hard Reset (Full Wipe) View Bluetooth Address Are you trying to unlock the phone for a different carrier or recover a forgotten security code How to unlock Nokia X1-01 - sim-unlock.net
: Dial *#7780# to restore factory settings (does not change IMEI). Check Software Version : Dial *#0000# . IMEI Change: Everything You Need To Know - Ftp
Changing the IMEI on your Nokia X1-01 can have both benefits and risks. Here are some of them: