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Hidden Battery Power | How to make use of hidden battery power

Hidden Battery Power | How to make use of hidden battery power


Imagine your 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, press the keys *3370#
Your cell will restart with this reserve and the instrument will show
a 50% increase in battery. This reserve will get charged
when u charge your cell next time.

Caution:There is nothing like a reserve battery in nokia or any other cellphones. The code you have given (*3370#) is a pre-programmed code to change the active "speech codec". This code changes the speed codec to half rate. When half rate speech codec is active, phone uses about 50% less battery than the normal full rate speech codec, that's why the phone shows an increase in battery power. Also note that using a half-rate speech codec also reduces the voice quality.