Some TipS For Nokia Mobile Users

1) Imagine ur cell battery is very low, u r expecting an important call and u don't have a charger.
Nokia instrument comes with a reserve battery.
To activate, key is "*3370#" Ur cell will restart with this reserve and ur instrument will show a 50% incerase in battery.
This reserve will get charged when u charge ur cell next time.
*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)
*#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

*#9999# Phones software v ersion
if *#0000# does not work

*#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 *#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