structure of the IMEI : XXXXXX XX XXXXXX X
TAC FAC SNR SP
· TAC = Type approval code
· FAC = Final assembly code
· SNR = Serial number
· SP = Spare
*#0000# - Get the SW version (e.g. V 5.27.0 / 28-06-04 / NHL-10 )
*#2820# - Get the Bluetooth (BT) device address
xx# - Quick contact access (xx = location number, e.g. : 17#)
*#62209526# - Get the MAC address of the WLAN adapter, this information is only available on the new models (S60 3rd edition) which have WLAN.
When switching the phone on with the "ABC" key (pen) pressed, no application is started, it's a "safeboot"