To view IMEI number *#06#

*#2255*# : activate and deactivate the "DEBUG CALL"-Mode; when
activated, make a call to a busy line an the phone will disp some
hex-codes on the display.

*#2558*# : the time in days,hours and minutes you are connected
to the net.

*#2562*# : not clear; the phone reconnects to the net

*#3377*# : Init, Flags, SIM LCK

*#7378*# : Name, Length, SIM phase

*#7489*# : SECURITY CODE

*#7693*# : you can activate and deactivate the SLEEP MODE
(when deactivated the battery will go down!)

*#8463*# : Some information about the SLEEP MODE: Wake,
Sleep Req., Sleep

Philips FIZZ

To view IMEI number *#06#

To view information on the phone *#8377*#

"Version : 0916 - EEPROM : 00000000-00 - TDA : 1941 - KISS : 0502"

Some phones (probably sim-locked) return also text
SIM-LCK at the end of the string

To view security code *#1234*# (1234 is the default code...)

"Security code : XXXXX"

Service Code *#5644*#

"Version : 09162205 - EEPROM : 0000000-00 - TDA : 1941 - KISS : 0502"