Some important codes of nokia mobile

1. *#06# – Shows your International Mobile Equipment Identity (IMEI) number.

2. *#92702689# - takes you to a secret menu where you may find some of the information below:

3. *#2820# – Shows BlueTooth Address for cell phones with Bluetooth.

4. *#7780# – Normal reset, restore your cell phone to factory settings.

5. *#7370# – Deep reset, restore cell phone to factory settings and format all user data.

6. *#0000# – Shows your cell phone’s firmware version.

7. *3370# – Activates Enhanced Full Rate codec (EFR) (your cell phone uses the best sound quality but        talk      time is reduced by approx. 5%).

8. #3370# – Deactivate Enhanced Full Rate codec (EFR).

9. *4720# – Activate Half Rate codec (your cell phone uses a lower quality sound but you should gain                      approx. 30% more talk time).

10. #4720# – Deactivate the Half Rate codes