On the main screen type in:
1. *#06# for checking the IMEI (International Mobile Equipment Identity).2.*#7780# reset to factory settings.
3.*#67705646# This will clear the LCD display(operator logo).
4.*#0000# To view software version.
5.*#2820# Bluetooth device address.
6.*#746025625# Sim clock allowed status.
6.#pw+1234567890+1# Shows if sim have restrictions.
7.*#92702689# - takes you to a secret menu where you may find some of the information below:
- Displays Serial Number.
- Displays the Month and Year of Manufacture
- Displays (if there) the date where the phone was purchased (MMYY)
- Displays the date of the last repair - if found (0000)
8.*#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.
9.*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because phone receives less signal from network.
10.*#4720# - Half Rate Codec activation.
11.*#4720* - Half Rate Codec deactivation. The phone will automatically restart
If you forgot wallet code for Nokia S60 phone, 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.
12.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# \
13.*#7328748263373738# resets security code.
14.Default security code is 12345
15.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.
