Some of the Symbian Codes that work with most of the Nokia Mobiles

*#7370# - Soft format - resets all the telefone Memory (like Formatting a disk)

NOTE :- Battery should be full up to at least 75%, do not accomplish during the procedure under any circumstances ! The procedure takes some minutes (approx. 3-4)

Green*3 - Hard format - If the Mobile (only telephone memory) formats, puts back the attitudes (see * to # 7780 #) and implements a RESET.

NOTE :- Battery should be full up to at least 75%, do not accomplish during the procedure under any circumstances ! The procedure takes some minutes (approx. 3-4)

Proceeding : Equipment switch off, keep "green key" (take off) at the same time pressed, "*" and to "3" key and switch the equipment on (the keys thereby keep further pressed)... to "Formatting" on the display appears...