Mobile Phone Secrets

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 talk time 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).