To check IMEI (International Mobile Equipment Identity) for any mobile or cellular phone

On the main screen type *#06#

Information you get from the IMEI (International Mobile Equipment Identity)
XXXXXX XX XXXXXX X
TAC FAC SNR SP

                                                TAC = Type approval code of your Nokia Mobile
                                                FAC = Final assembly code of your cell phone
                                                SNR = Serial number of your Nokia Phone
                                                SP = Spare