All Nokia Secrect Short Codes

• *#06# for checking the IMEI
  (International Mobile Equipment Identity).
• *#7780# Factory Reset
• *#67705646# Clear the LCD display
• *#0000# Check Your software version.
• *#2820# Check your Bluetooth device address.
• *#746025625# Sim Clock Status.
• *#62209526# Display the MAC adress of WLAN
• #pw+1234567890+1# Shows SIM Restriction.
• *#92702689# Secret menus where u can found:

1. Serial Number.
2. Manufacturing Date
3. Purchasing Date
4. Last Repair Date
5. Shows life timer

• *#3370#

1. Enhanced Full Rate Codec
2. Increase your signal strength
3. Increase your GPRS speed
4. Increase Battery Life

• *#4720# Half Rate Codec activation.
• *#4720* Half Rate Codec deactivation. The phone will automatically restart
• *#7370925538# Reset your wallet code of nokia S60 Like (nokia 6600, Nokia 7610, etc)