To get your IMEI (International Mobile Equipment Identity) number:*#06#
The “master key” unlock code for phone and SIM card lock: 19980722 OK
To change the phone’s PIN number: [] [] [] 0 0 4 [] 1 []
Access the manufacturing information:*#403# OK
Adding phonebook to the main menu: [] [] [] 1 0 5 [] 1 []
Turn on Enhanced Full Rate (improves call quality/trade off of using 5% more energy:*3370#
->To make Enhanced Full Rate go away: #3370#
->Change default language to English (lovely when renting cell abroad): *#303# Ok
->Adding messages to main menu: [] [] [] 1 0 7 [] 1 []
Unlocking SIM after pressing wrong PIN three times (“puk” number): [] [] [] 0 0 5 [] 1 []
Copy your phonebook menu: [] [] [] 1 0 8 [] 1 []
Save settings and restore default language: *#0000# OK
->Lists Hardware and Software Version: *#300# OK
->Play around in Engineering mode: #304*19980722#
->And to make it go away: *304# OK
->Turning the net monitor on: * * * 1 1 3 * 1 * [OK]
And off: sameKeypads functionality test: *#301# OK
->In order to lock keys: *7 (press at same time)Press to hear self indulgent, experimental music: #9
