SECRET CODE FROM NOKIA

*#06# Checking IMEI ( International Mobile Equipment Identity)
*#7780# reset to factory seting
*#67705646# this will clear the LCD display logo operator
*#0000# to view software version
*#2820# bluematoth device adress
*#746025625# sim clock allowed status
*#92702689# takes u to a secret menu where u may find some of the information below :
1. display serial number
2. display the month and year of manufacture
3. display if there the date where the phone was purchased (MMYY)
4. display the date of the last repair- if found 0000
5. shows life timer of phone ( times passes since last start)
*#3370# - enchaned full rate codec (EFR) activation. increase signal strength, better signal reception.it also help if u want to use GPRS nad the service is not resonding or too slow. phone battery will drain faster though
6. *#3370# EFR deactivation . phone will automatically restart. increase battey life by 30% because phone receives less signal from network
7. *#3925538# to delete the contents and code of wallet
8. *#7328748263373738# resets security code
default security code is : 12345