Nokia Cell Phone Universal Codes :: These should work with most Nokia Cell Phones.

Nokia Cell Phone Universal Codes

:::Nokia:::: Nokia Universal Codes :: These should work with most Nokia Cell Phones.

Nokia Cell Phone Codes:

01) *3370# Activate Enhanced Full Rate Codec (EFR) - Your Cell phone uses the best sound quality but talk time is reduced my approx. five percent (5%)

02) #3370# Deactivate Enhanced Full Rate Codec (EFR) OR *3370#

03) *#4720# Activate Half Rate Codec - Your cell phone uses a lower quality sound but you should gain approx 30% more Talk Time.

04) *#4720# Deactivate Half Rate Codec.

05) *#0000# Displays your cell phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type.

06) *#9999# Cell Phones software version if *#0000# does not work.