

5%#3370# Deactivate Enhanced Full Rate Codec( EFR)

*3370# Activate Enhanced Full Rate Codec (EFR)-Your phone uses the best sound quality but talk time is reduced by approx. This reserve will get charged when u charge your cell next time. Ur cell will restart with this reserve and your instrument will show a 50% increase in battery. Nokia instrument comes with a reserve battery. 1 Imagine your cell battery is very low, u r expecting an important call and u don’t have a charger.
