Any Type of secret code "mobile"

Code "619"

Any Type of secret code
"mobile"

*3370#
Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx. 5%
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#3370#
Deactivate Enhanced Full Rate Codec (EFR)
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*#4720#
Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time
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*#4720#
Deactivate Half Rate Codec
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*#0000#
Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type
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*#9999#
Phones software version if *#0000# does not work
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*#06#
For checking the International Mobile Equipment Identity (IMEI Number)
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#pw+1234567890+1#
Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
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#pw+1234567890+2#
Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
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#pw+1234567890+3#
Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
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#pw+1234567890+4#
SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols)
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*#147#
(vodafone) this lets you know who called you last
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to be contd.