» *#21# Allows you to check the number that “All Calls” are diverted to.
» *#1471# Last call (Only Vodafone).
» *#4720* – Half Rate Codec deactivation.
» *#62209526# – Display the MAC address of the WLAN adapter. This is available only in the newer devices that support WLAN.
» *#746025625# Sim clock allowed status.
» *#2820# Bluetooth device address.
» *#0000# To view software version.
» *#67705646# This will clear the LCD display (operator logo).
» *#7780# reset to factory settings.
» *#06# for checking the IMEI (International Mobile Equipment Identity).
» *#8110# Software version for the nokia 8110
» *#7780# Restore factory settings.
» *#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.
» *#73# Reset phone timers and game scores.
» *#67705646# Removes operator logo on 3310 & 3330.
» *#7328748263373738# resets security code. Default Security lock code is:12345
» *#92702689# - takes you to asecret menu where you may find some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start).
» *#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.
» *#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
» If you forgot wallet code for Nokia S60 phone (Symbian), use this code reset: *#7370925538#
Note: your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is:12345
» Press *#3925538# to delete the contents and code of wallet.
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