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Nokia Codes *#06# - displays the unique serial number or IMEI number *#0000# - shows the firmware or software version details *#2820# - Bluetooth (BT) device address Press and hold the ZERO (0) button - brings you to the homepage of your wap/gprs Press and hold the MENU button - launch the phone's task manager. you can then switch between active programs or terminate a running application by press the CANCEL/DELETE (c) button. *#7780# - restores user defined settings to factory default settings. programs, calendars, and contacts are unchanged. you will be ask to input your security or lock code to proceed with the restoration. *#7370# - reprograms your phone memory to factory default. all files will be deleted. you will be ask to input your security or lock code to proceed with the phone memory format. backup your messages, contacts, and other important data before proceeding. NOTE: this is equivalent to hard format for Nokia Series 60 1st edition phones (N7650, N3650/60, N-Gage/QD). If you are
using Nokia Series 60 2nd and 3rd edition phone (N6600 and above), this code will not fully format your phone memory, you need to do the hard format (3-keys combo code) instead. Turn ON your phone while holding together the green (call) button, *, 3 - reprograms your phone memory to factory default. all files will be deleted. you will be ask to input your security or lock code to proceed with the phone memory format. backup your messages, contacts, and other important data before proceeding. NOTE: applicable only to Nokia Series 60 2nd edition and above phones (N6600 and up). *#7370925538# - reprograms your phone's wallet application. all information on your wallet will be erased and the wallet code will be removed.