Dial *#7780# to restore original settings. The default security code for Nokia is usually 12345 .
Dial *#06# on the main screen to display the unique 15-digit IMEI for both SIM slots. Nokia X1-01 Imei Change Code
uses several "secret codes" for system management and information retrieval: Dial *#7780# to restore original settings
Dial *#0000# to view your current firmware information. Nokia X1-01 Imei Change Code