Nokia Key Codes : System Information Recently we shared an article about Nokia phone software problem and this time we are sharing keypad codes, This page describes keypad codes in Nokia phones.There are given numeric representation, but also codes using chars. How to read them? WARNING: Using secret codes may be harmful to your phone. *#06# For checking IMEI (International mobile equipment identity) *#0000# To view system information *#7780# Reset factory settings *#2820# Bluetooth device address *#67705646# Clear the LCD display (operator logo) *#746025625# Sim clock allowed status #pw+1234567890+1# Show if sim have restrictions *#92702689# Takes you to find some of the information below: 1. Display serial number. 2. Displays the month and year of manufacture. 3. Displays the date of last repair. 4. Show life timer of phone. *#3370# Enhanced full rate(EFR) activation. Increase signal strength *#3370# EFR deactivation, phone will automatically restart *#4720# Half rate codac activation *#4720# Half rate codac deactivation *#7370925538# If you forgot wallet code for Nokia S60 *#73# Reset phone timers and game scores *#9999# Phones software version if *#0000# does not work *#2640# Displays phone security code in use
