HELP GT-S7582 keep crashing with white screen with colored dots

my Samsung GT-S7582 won't turn on and hanging on "samsung galaxy Duos GT-S7582 " screen then after 5 seconds this screen appears



i tried to boot into recovery mood but it didn't .... i then installed CWM and did a factory reset but it didn't continue and the same strange screen appeared again
what should i do ?


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