Hi, for you to be able to unlock the phone and use it with another service provider, you need to call AT&T and ask for Network Control Key (NCK). It's an eight digit code. Once you have it, enter the following to unlock your phone #7465625*638*NCK#
i live in another country i need to know how to unlock a Samsung A737 form ATT please contact me at...
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i live in another country i need to know how to unlock a Samsung A737 form ATT please contact me at gnb111@hotmail.com thank you :)