Nokia secret codes.

• *3370# Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced by approx. 5%


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


• *#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.


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


• *#9999# Phones software version if *#0000# does not work.


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


• #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).


• #pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).


• #pw+1234567890+3# Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).


• #pw+1234567890+4# SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).


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


• *#1471# Last call (Only vodofone).


• *#21# Allows you to check the number that "All Calls" are diverted to


• *#2640# Displays security code in use.


• *#30# Lets you see the private number.


• *#43# Allows you to check the "Call Waiting" status of your phone.


• *#61# Allows you to check the number that "On No Reply" calls are diverted to.


• *#62# Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to.


• *#67# Allows you to check the number that "On Busy Calls" are diverted to.


• *#67705646# Removes operator logo on 3310 & 3330.


• *#73# Reset phone timers and game scores.


• *#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.


• *#7760# Manufactures code.


• *#7780# Restore factory settings.


• *#8110# Software version for the nokia 8110.


• *#92702689# Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair
  (0000 for no repairs), 5.Transfer User Data.


• *#94870345123456789# Deactivate the PWM-Mem.


• **21*number# Turn on "All Calls" diverting to the phone number entered.


• **61*number# Turn on "No Reply" diverting to the phone number entered.


• **67*number# Turn on "On Busy" diverting to the phone number entered.


• 12345 This is the default security code.


• *#7370# formatting simbian phone


• *#7780# reset to factory settings


• *#67705646# This will clear the LCD display(operator logo).


• #pw+1234567890+1# Shows if sim have restrictions.


• *#3925538# to delete the contents and code of wallet.


• *#delset# - MMS/GPRS settings removal


• *#2820# - Bluetooth info.


• *#7760# - production serial no

NOTE: Code depends on phone model