*#06# -IMEI
*#3110# -Software version
##002# - allows to turn off voice mail.
*#7780# - restore factory settings
*#746025625#(or *#sim0clock#) - to check if clock of sim (SIM-Clock) can be stopped (SIM-Clock-stop is akind of standby mode which saces battery)
*#92702689# (or *#war0anty#) -"warranty code:"- you have to enter one of the following codes:
6232 (OK)displays month and year of production date (ie "0198")
7332 (OK) - displays date of last repair - if there is (ie. "DATE NOT SAVED")
7832 (OK) - displays date of purchase - if there is (ie. "DATE NOT SAVED")
9268 (OK) -displays serial number
37832 (OK) -sets purchase date in format MMYY (MM - month, YY - year)- attention: you can set it only once, so beware !
87267 (OK)-displays message "Confirm Transfer?" - meaning is unknown (?)
* # 9 2 7 0 2 6 8 9 # -Simlock info
*#31# (call) -sets if your phone no. will be hidden or not (works only in some networks)
*#76# (call) -sets if target phone number when you call should be displayed
(works only in some networks)
*#77# (call) -(work s only in some networks)
*#33/35# (call -displays message "Service not active".
**31# (call) -your no. will not be showed to others when you make a call
