how do i fix my sgh-i727 samsung galaxy att phone

brenda brown_7986

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Oct 23, 2016
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my samsung galaxy sii at&t phone with model number SGH-I727 keeps flashing a android and just keeps flashing the words verifying internel mmc block ,,, checksum confirmation check (0) not need checksum confirmation already executed #manual mode# . what does this mean and how do i fix it and will i be able to use my phone ever again ? somebody please help me
 

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