Nokia codes

Some tricks for ur phone.. u must know these..
.:: NOKIA ::. Nokia Universal Codes Code Description :
These Nokia codes will work on most Nokia Mobile Phones..............



(1) *3370# Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talktime is reduced my approx. 5%

(2)#3370# Deactivate Enhanced Full Rate Codec (EFR) OR *3370# ( Favourite )

(3)*#4720# Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time.

(4)*#4720# Deactivate Half Rate Codec.

(5)*#0000# Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type. ( Favourite )

(6)*#9999# Phones software version if *#0000# does not work.

(7)*#06# For checking the International Mobile Equipment Identity (IMEI Number). ( Favourite )

(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# (vodafone) this lets you know who called you last.

(13)*#1471# Last call (Only vodofone).

(14)*#21# Allows you to check the number that "All Calls" are diverted to

(15)*#2640# Displays security code in use.

(16)*#30# Lets you see the private number.

(17)*#43# Allows you to check the "Call Waiting" status of your 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# Removes operator logo on 3310 & 3330.

(22)*#73# Reset phone timers and game scores