Secret Codes for your NOKIA

NOKIA: CODES DESCRIPTIONS

1. *3370# Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx. 5%
2. #3370# Deactivate Enhanced Full Rate Codec (EFR)
3. *#4720# Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time *#4720# Deactivate Half Rate Codec
4. *#0000# Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type
5. *#9999# Phones software version if *#0000# does not work
6. *#06# For checking the International Mobile Equipment Identity (IMEI Number)
7. #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
8. #pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
9. #pw+1234567890+3# Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
10. #pw+1234567890+4# SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
11. *#147# (vodafone) this lets you know who called you last *#1471# Last call (Only vodofone)
12. *#21# Allows you to check the number that "All Calls" are diverted to
13. *#2640# Displays security code in use
14. *#30# Lets you see the private number
15. *#43# Allows you to check the "Call Waiting" status of your phone.
16. *#61# Allows you to check the number that "On No Reply" calls are diverted to
17. *#62# Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to
18. *#67# Allows you to check the number that "On Busy Calls" are diverted to
19. *#67705646# Removes operator logo on 3310 & 3330
20. *#73# Reset phone timers and game scores
21. *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you will get the best standby time possible
22. *#7760# Manufactures code
23. *#7780# Restore factory settings
24. *#8110# Software version for the nokia 8110
25. *#92702689# Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair (0000 for no repairs), 5.Transfer User Data. To exit this mode you need to switch your phone off then on again
26. *#94870345123456789# Deactivate the PWM-Mem
27. **21*number# Turn on "All Calls" diverting to the phone number entered
28. **61*number# Turn on "No Reply" diverting to the phone number entered
29. **67*number# Turn on "On Busy" diverting to the phone number entered
30. 12345 This is the default security code
31. press and hold # Lets you switch between lines
32. *#3283# or *#DATE# Date of Manufacture
33. *#682371158412125# Software Version