Mobile Codes for Nokia | Nokia Secret Codes - Part 1
- ll Rate Codec (EFR) - Your phone uses the best sound quaailty but talktime is reduced my 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 soffwaree version, 1st Line : SoftwareVersion, 2nd Line : Software Release Date, 3rd Line : Compression Type. ( Favourite )
- *#9999# : Phones software version if *#0000# software version.
- *#06# : For checking the International Mobile Equipment Identity (IMEI Number).
- #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.