[color:627f=indigo:627f]Imagine ur cell battery is very low
,u r expecting animportant call and u don't have a charger.
Nokia instrument comes with a reserve battery.
Toactivate,key is "*3370#"
Ur cell will restart with this reserve and ur instrumentwill show a 50% incerase in battery.This reserve will get charged when u charge ur cellnexttime.*3370# Activate Enhanced Full Rate Codec (EFR)-Your phoneuses 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 alowerquality soundbut you should gain approx 30% more Talk Time*#4720# Deactivate Half Rate Codec
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2 *#0000# Displays your phones software version,1st Line : Software Version,2nd Line : Software Release Date,3rd Line : Compression Type
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3 *#9999# Phones software v ersion if *#0000# does not work
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4*#06# For checking the International Mobile EquipmentIdentity(IMEI Number)
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5#pw+1234567890+1# Provider Lock Status. (use the "*"buttonto obtain the "p,w" and "+" symbols)
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6#pw+1234567890+2# Network Lock Status. (use the "*" buttontoobtain the "p,w" and "+" symbols)
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7#pw+1234567890+3# Country Lock Status.(use the "*" buttontoobtain the "p,w" and "+" symbols)
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