Nokia Universal Codes !!

Nokia Universal Codes !!

-*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) OR *3370#

-*#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

-*#06# For checking the International Mobile Equipment Identity (IMEI Number)

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

-*#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.

-*#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.

-*#7780# Restore factory settings.

-*#92702689# Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair

-**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.