S60 Siries (SX1, 6600, N-Gage..)
*#7780# — factory default
*#7370# — full factory defaults (all user data reset)
SX1 formating — * + # + power on
6600 formating — 3 + * + send + power on
*#7370925538# (valet code reset) 6230
*#746025625# [*#sim0clock#]
*#92702689# [*#war0anty#]