Nokia Secret Codes.

* * * W A R N I N G * * *

Using secret codes may be HARMFUL to your phone and may result in disabling or worse.

*#06#       for checking the IMEI (International Mobile Equipment Identity).

*#7780#   reset to factory settings.

*#67705646# This will clear the LCD display(operator logo).

*#0000# To view software version.

*#2820# Bluetooth device address.

*#746025625# Sim clock allowed status.

#pw+1234567890+1# Shows if SIM have restrictions.

*#92702689#    takes you to a secret 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.

*#4720# Half Rate Codec activation.

*#4720* Half Rate Codec deactivation. The phone will automatically restart. 

If you forgot wallet code for Nokia S60 phone, use this code to 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.

Unlock service provider : Insert sim, turn phone on and press vol up(arrow keys) for 3 seconds, should say 

pin code. Press C,then press * message should flash, press * again and 04*pin*pin*pin# \
*#7328748263373738# resets security code.

Default security code is 12345

Change closed caller group (settings >security settings>user groups) to 00000 and ure phone will sound the message tone when you are near a radar speed trap. Setting it to 500 will cause your phone 2 set off security alarms at shop exits, gr8 for practical jokes! (works with some of the Nokia phones.)Press and hold “0” on the main screen to open wap browser.