Some Useful Nokia Secret Codes.

 Many People knows about nokia secret codes, who don't know Nokia secret codes,Know Here.

Type on Main Screen And try
*#06# for IMEI (International Mobile Equipment Identity).
*#7780# resetore factory settings.
*#67705646# This will clear the LCD display(operator logo).
*#0000# To see software versions.
*#2820# Bluetooth device address.
*#746025625# Sim clock allowed status.
#pw+1234567890+1# Showsthat if sim has restrictions.
*#92702689# - it;s shows
2.shows the Month and Year of Manufacture
3. Shows (if there) the date when the phone was purchased (MM/YY)
4. Shows the date of the last repair - if find (0000)
5. Shows life time of mobile (time passes since last start)

*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal power, best signal reception. It help to you want to use GPRS. Phone battery will drain faster though.
*#3370* - (EFR) deactivation. Phone will automatically restart. to Increase battery life by 30% because phone receives less signal from network.
*#4720# - Half Rate Code activation.
*#4720* - Half Rate Code deactivation. The phone be automatically switch on
If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#
Note, your data will be erased of wallet. Phone will command to password.Put  Default lock code is: 12345
dial *#3925538# to delete the contents and code of wallet.

Note:- Some Codes Might Not Work For Your Mobile. Some of these secret codes Work with S60 Mobiles Only And Some For S60V3.