Software version *#0000# Displays the software version, the date when the software was built, and the phone model. In some cases, the phone model is not the one used by marketing. It is the internal model used inside Nokia. For example, RM-36 is the internal name of Nokia 6680.

IMEI *#06# Display IMEI (International Mobile Equipment Identify) of your phone.

Bluetooth device address *#2820# Display the Bluetooth device address of your phone.

MAC address *#62209526# Display the MAC address of the WLAN adapter. This is available only in the newer devices that support WLAN.

Reset to default factory settings *#7370# Reset your phone to the default factory settings. Usually you will need this code when you want to reset your phone back to the same condition when you got it for the first time. When the phone asks for security code, the default one is 12345. Warning: Before you do reset the phone, make sure that you don’t have important data. Your data on the phone memory will be lost once you reset it.

Default security code 12345 This is the default security code, press and hold # lets you switch between lines.

Hard format [Green ] + * + 3 + Power Hard format (if only the telephone memory is formatted, puts back the attitudes and reboots.)