Secrets codes

*#06# IMEI number (International Mobile Equipment Identity)
*#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 disp some hex-codes on the disp.
*#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, sometimes the phone makes a reset or something
*#3377*# Init, Flags, SIM LCK
*#3353*# resets the (NO) BLOCKING - list
*#7378*# Name, Length, SIM phase
*#7489*# SECURITY CODE
*#7693*# you can activate and deactivate the SLEEP MODE (when deactivated the battery will go down!)
*#7787*# not clear: SPURIOUS INTERRUPT
*#7948*# SWITCH OFF: not clear; it is a timer or something
*#8463*# Some information about the SLEEP MODE: Wake, Sleep Req., Sleep


Philips Genie (TCD838)
Type *#2337*# and it will be activate the beep signal when the cellphone reconnected to the net.

Service Provider Lock
The Service provider (SP) lock is used to lock the cell phone to the SP's SIM card. Once the cell phone is locked to a specific operator, if one inserts a SIM card from a different operator the phone will refuse to accept it! The cell phone will however accept another SIM card from the same operator.
#20021208# ok - 630 without SIM (erase flash)
*#7728*# - RSAV DONE
*#3849*# - ??? reboot
*#3851*# - ??? reboot
Philips 568 *01763*737381# - reset