Nokia Nokia E-Series Secret Codes

Check software version and the release number of your device:
*#0000#

See WLAN MAC address:
*#62209526#

See Bluetooth MAC address:
*#2820#

To hard reset and restore to factory settings:
*#7370# (default lock code is 12345)

See IMEI (International Mobile Equipment Identity) number:
*#06#

Check number where calls are diverted:
*#61#

Some of them need to press OK after type the code