1. View IMEI (International Mobile Equipment Identity)
I press * # 0 6 #

2. View the software version, date and type of compression softwre software
I press * # 0 0 0 0 #
If that does not try to click * # 9 9 9 9 #

3. View the status of call waiting
I press * # 4 3 #

4. See the number / number of private number to contact your mobile phone
I press * # 3 0 #

5. Show the number of all phone calls
I press * # 2 1 #

6. See the number of the caller on the phone because you do not answer (call divert on)
I press * # 6 1 #

7. See the number of the caller on the phone out of reach because (call divert on)
I press * # 6 # 2

8. See the number of the caller on the phone because it is busy (call divert on)
I press * # 6 # 7

9. Changing the operator logo on nokia 3310 and 3330 type
I press * # 6 7 7 0 5 6 4 6 #

10. Sim clock displays the status
I press * # 7 4 6 0 2 5 6 2 5 #

11. Switch to your phone profile profile
I press the power off without arrest

12. Change the phone settings to default or manufacturer
I press * # 7 7 8 0 #

13. Do reset the timer and a score phones nokia mobile phone game
I press * # 7 3 #

14. View the status of call waiting
I press * # 4 3 #

15. See the factory code or code factory
I press * # 7 7 6 0 #

16. Show the serial number or serial number hp, creation date, date of purchase, date of last service, transfer of user data. To exit the phone must be reset again.
I press * # 92702689 #

17. See your phone's security code
I press * # 2 6 4 0 #

18. See the ip address of your bluetooth hardware
I press * # 2 8 2 0 #

19. Activate the EFR with the best quality sound wasteful, but batere energy. To turn off using the same code.
I press * # 3 3 7 0 #

20. Enable EFR sound quality with the lowest energy but the Battery. To turn off using the same code.
I press * # 4 7 2 0 #

21. Go the content of phone book and quickly in the mobile phone nokia
Is the ordinal number and press ago # example: # 150

22. Switch the call to the number for all calls dituju
I press * 2 * 1 * # Tax Purposes

23. Switch the call to the number to call is dituju missed
I press * 1 * 6 # * Tax Purposes

24. Switch the call to the number dituju for phone calls when your phone is busy
I press * 6 * 7 * # Tax Purposes

Additional Description:
- Code without spaces diinput
- There are codes nokia applicable only in certain types