NOKIA SECRET CODES.

These are some secret codes to enhance the Nokia mobile with.

1. Nokia Code function *3370#-This Nokia code activates Enhanced Full Rate Codec (EFR);Your Nokia cell phone uses the best sound quality but talk time is reduced my approximately 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 approximately 30% more Talk Time.
4. *#4720# With this Nokia code you can deactivate the Half Rate Codec.
5. *#0000# Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type
6. *#9999# Phones software version if *#0000# does not work
7. *#06# For checking the International Mobile Equipment Identity (IMEI Number)
8. #pw+1234567890+1#-Provider Lock Status. (use the"*" button to obtain the "p,w" and "+" symbols)
9. #pw+1234567890+2# Network Lock Status. (use the"*" button to obtain the "p,w" and "+" symbols)
10. #pw+1234567890+3# Country-Lock Status. (use the "*" button to obtain the "p,w" and"+" symbols)
11. #pw+1234567890+4# SIM Card Lock Status. (use the "*"button to obtain the "p,w" and"+" symbols)
12. *#147# This lets you know who called you last (Only vodafone)
13. *#1471# Last call (Only vodafone)
14. *#21# This phone code allows you to check the number that "All Calls" are diverted to
15. *#2640# Displays phone security code in use
16. *#30# Lets you see the private number
17. *#43# Allows you to check the "Call Waiting" status of your cell phone.
18. *#61# Allows you to check the number that "On No Reply"calls are diverted to
19. *#62# Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to.
20. *#67# Allows you to check the number that "On Busy Calls" are diverted to
21. *#67705646# Phone code that removes operator logo on 3310 & 3330
22. *#73# Reset phone timers and game scores
23. *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock StopAllowed", it means you will get the best standby time possible
24. *#7760# Manufactures code
25. *#7780# Restore factory settings
26. *#8110# Software version for the nokia 8110
27. *#92702689# Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of lastrepair (0000 for no repairs), 5.Transfer User Data. To exit this mode you need to switch your phone off then on again
28. *#94870345123456789# Deactivate the PWM-Mem
29. **21*number# Turn on "All Calls" diverting to the phone number entered
30. **61*number# Turn on "No Reply" diverting to the phone number entered
31. **67*number# Turn on "On Busy" diverting to the phone number entered 12345 This is the default security code press and hold # Lets you switch between lines.
32. The Operating Systems Symb OS v6.1 Nokia 7650 Nokia 3650 Nokia 3660 Nokia N-Gage Nokia N-Gage QD Siemens SX-1 Sendo X Symb OS v7.0 Nokia 3230 Nokia 6620 Nokia 6260 Nokia 6670 Nokia 7610 Panasonic X700 Panasonic X800 Symb OS v8.0 Nokia 6630 Nokia 6680 Nokia 6681 Symb OS v8.1 Nokia N70 Nokia N90 Symb OS v9.1 Nokia N91 Nokia 3250 Nokia E60 Nokia E61 Nokia E70 Nokia N71 Nokia N80 Nokia N92 Nokia phones service codes
    *#0000# - SW version
    *#06# - IMEI
    *#warranty# - SIMLOCK info
    *3370# - Enhanced Full Rate ON
    *3370# - OFF
    *4720# - alternative sound quality codec ON
    #4720# - OFF
    *#7780# - default factory settings
    *#7760# - production serial no.
    *#2820# - Bluetooth info.
    *#73# - reset phone timers and game scores.
    *#7370925538# - delete all the content of the wallet and the wallet code.
    *#7370# - soft format � erases all telephone memory. [Green]*3 - hard format � if only the telephone memory is formatted, puts back the attitudes and reboots
    *#delset# - MMS/GPRS settings removal NOTE: code depends on phone model.

GOT MORE?Kindly share it with others.