Nokia Secret Codes
On the main screen type in:
*#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 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.


Code Description
*#06# Display the IMEI (GSM standard)
*#0000# Display the firmware version and date (with variant info on S40 second edition or newer)
*#9990# Says "Bluetooth Test Mode" on Symbian models; accepts without any messages and Bluetooth behaves abnormally on non-Symbian ones (models with build-in Bluetooth radio, activate first to use)
*#bta0# Display the Bluetooth MAC address (models with build-in Bluetooth radio, activate first to show address)
*#mac0wlan# Display the WLAN MAC address (models with build-in Wi-fi radio)
*#opr0logo# Clear the operator logo (3310 and 3330 only)
*#pca0# Activate the GPRS PCCCH support (early GPRS models)
*#pcd0# Deactivate the GPRS PCCCH support (early GPRS models)
*#res0wallet# Reset the mobile wallet (models with mobile wallet)
*#res0# Soft-format the memory (Symbian models only)
*#rst0# Reset to factory defaults, confirmation required (DCT4 or newer)
*#sim0clock# Display the SIM clock status (DCT3 only)
*#ssn0# Display the manufacturing serial number (mid-range and premium DCT3, basically all DCT4 and BB5 non-Symbian models)
*#war0anty# Display the manufacturing and repair info (no exit on DCT3) or total talk time on Symbian models
*efr0# Enable EFR encoding (pre-2003 models)
#efr0# Disable EFR encoding (pre-2003 models)
*hra0# Enable HR encoding (pre-2003 models)
#hra0# Disable HR encoding (pre-2003 models)
#pw+1234567890+n# Display the SIM lock status: (pre-2003 models)
n = 1: provider lock
n = 2: network lock
n = 3: country lock
n = 4: SIM lock
n# n = 1..999: recall the number stored in the SIM location n (DCT3, DCT4, BB5 models)