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[Q] Unknown Callback error

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By jdsebe, Junior Member on 30th August 2014, 03:56 AM
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Hey there !!...
I m using Samsung galaxy grand Neo Duos (GT -I9060) and i hav Android 4.2.2 .....suddenly my front cam is not working and its shooting out an error called "Unknown callback error " and its not working can anyone pls help me to solve this ????
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