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  1. Thread Author  Thread Author    #1  

    Exclamation Downgrade to earlier than 4.3 possible????

    I got "Not registered on network" problem..
    Someone helped me out of it and said do not downgrade your SG3 to earlier than 4.3 otherwise you'll get this again..
    what is this problem I dont understand, anyone can help me???? plz
    on official 4.3 I dont have GSM active, no sms no call I can do..
    my cell is gt-i9300 32gb

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