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AR Unity build won't Run on my divice

AR Unity build won't Run on my divice. I'm using a Samsung GT-s5660(Idk the name) It os is Andriod 2.2.1 In Unity I used these settings Minimum Api level(7) Device Filter: Armv6 With vfp Api Compatibility level .net 2.0 subset. striping level disabled It only vibrate twice(black screen) and shutdown afterwards :S Other unity apps runs fine. Can anyone help ?