Some secret codes for Nokia mobile

Nokia is onek of the most popular brand of mobile in the world.I think this tricks will help those Nokia mobile users.Below are some top secret service codes for your Nokia cell phone:

• *#06# – Shows your International Mobile Equipment Identity (IMEI) number.
• *#92702689# (*#WAR0ANTY#) – Shows warranty information. to exit this mode you have to switch your phone off then on again.
• *#7370925538# (*#RES0WALLET#) – Resets wallet code with wallet contents.
• *#2820# (*#BTA0#) – Shows BlueTooth Address for cell phones with Bluetooth.
• *#62209526# (*#MAC0WLAN#) – Shows WLAN MAC for cell phones with Wireless LAN (WiFi).
• *#7780# (*#RST0#) – Normal reset, restore your cell phone to factory settings.
• *#7370# (*#RES0#) – Deep reset, restore cell phone to factory settings and format all user data.
• *#0000# – Shows your cell phone’s firmware version.
• *3370# (*EFR0#) – Activates Enhanced Full Rate codec (EFR) (your cell phone uses the best sound quality but talk time is reduced by approx. 5%).
• #3370# (#EFR0#) – Deactivate Enhanced Full Rate codec (EFR).
• *4720# (*HRA0#) – Activate Half Rate codec (your cell phone uses a lower quality sound but you should gain approx. 30% more talk time).
• #4720# (#HRA0#) – Deactivate the Half Rate codec.
• *#67705646# (*#OPR0LOGO#) – Removes operator logo on some phones.