Here you can find a lot of information about nokia secrete code for mobile .
1 if you want delete software from your mobile remember it remove your contact and calender and note also . *#7370#
2. Display software version of your mobile *#0000#
3. Display imei of your mobile *#06#
4.display bluetooth device address *#2820#
5. Display the mac address of the wlan address *#92702689#
display the lifetimes of phone call you can reset it by flashing your phone *#7780#
7.reset mobile but this code dont remove your contact calender and note
7. Hard disc reset .press call key +3 key +power button . But this combination dont work with s 60 phone
