*#06# IMEI number
*#2254*# Status register: C, BS, RR, MMI, CREAT.
*#2255*# activate and deactivate the "DEBUG CALL"-Mode; when activated, make a call to a busy line an the phone will display 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
*#2565*# not clear; warmstart
*#3333*# (NO) BLOCKING – list (15 items)
*#2377*# "BEER": not clear, the phone waits a random time and reconnects to the net
*#3377*# Init, Flags, SIM LCK
*#3353*# resets the (NO) BLOCKING – list
*#7378*# Name, Length, SIM phase
*#7489*# SECURITY CODE
*#7693*# activate and deactivate the SLEEP MODE (when deactivated the battery will go down!)
*#7787*# SPURIOUS INTERRUPT
*#7948*# SWITCH OFF
*#8463*# Some information about the SLEEP MODE: Wake, Sleep Req., Sleep