Nokia Secret Codes

This is a few nokia secret codes collected from the net.
The codes are not tested yet.
Try at your own risk.
I’ll take no responsibilities if you damaged your devices.

*#06# – IMEI (International Mobile Equipment Identity)
*#7780#, *#7370# – restore factory settings
*#67705646# – clear the LCD display
*#0000# – check firmware version
*#2820# – Bluetooth device address
*#746025625# – Sim clock allowed status
*#62209526# – Display the MAC address of the WLAN adapter
#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

*#7370925538# – reset wallet code. All your notes in wallet will erased

*#3925538# – delete the contents and code of wallet

*#7328748263373738# – reset lock code. Default is 12345

Press and hold 0 key – open internet browser. You can change it using RomPatcher and Change0KeyApp.rmp patch

n# – (n=1,2,3,4,5,…) For example if Ahmad is the 2nd contact that you save in sim phonebook, when you press 2#, Ahmad’s phone number will appears on the screen

to hard reset your phone – turn off your phone, turn on and quickly press and hold simultaneously green+*+3 keys till “formatting” message appears.