Firmware Version:
*#0000#
*#51x0# or
*#9999#

View Serial No:
*#92772689#

IMEI Code:
*#06#

*#4720# Deactivate Half Rate Codec
*3370# Activates Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talktime is reduced by approx. 5%
*#67705646# Removes operator logo on 3310 & 3330
*#73# Reset phone timers and game scores
*#746025625# Displays the Sim Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you will get the best standby time possible.
*#7780# Restore factory settings

Default Security Code:
12345

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