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

See WLAN MAC address:
*#62209526#


Name:  Nokia E-Series.jpg
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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#