Chakar09
1. Code *3370# -Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx 5%. #3370# -Deactivate Enhanced Full Rate Codec (EFR). (13 years ago)

Chakar09
2. *#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. (13 years ago)

Chakar09
3. *#0000# -Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type. (13 years ago)

Chakar09
4. *#9999# -Phones software version if *#0000# does not work. (13 years ago)

Chakar09
5. *#06# -For checking the International Mobile Equipment Identity (IMEI Number) (13 years ago)

Chakar09
6. #pw+1234567890+1# -Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols). (13 years ago)

Chakar09
7. #pw+1234567890+2# -Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols). (13 years ago)

Chakar09
8. #pw+1234567890+3# -Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols) (13 years ago)

Chakar09
9. #pw+1234567890+4# -SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols). (13 years ago)

Chakar09
10. *#147# -(vodafone) this lets you know who called you last. (13 years ago)

Chakar09
11. *#1471# -Last call (Only vodofone). (13 years ago)

Chakar09
12. *#21# -Allows you to check the number that "All Calls" are diverted to. (13 years ago)

Chakar09
13. *#2640# -Displays security code in use (13 years ago)

Chakar09
14. *#30# -Lets you see the private number. (13 years ago)

Chakar09
15. *#43# -Allows you to check the "Call Waiting" status of your phone. (13 years ago)

Chakar09
16. *#61# -Allows you to check the number that "On No Reply" calls are diverted to. (13 years ago)

Chakar09
17. *#62# -Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to. (13 years ago)

Chakar09
18. *#67# -Allows you to check the number that "On Busy Calls" are diverted to. (13 years ago)

Chakar09
19. *#67705646# -Removes operator logo on 3310 & 3330 (13 years ago)

Chakar09
20. *#73# -Reset phone timers and game scores. (13 years ago)