原帖由： Samarus Ferenc ,
same here! i'm just updated it ios 7 beta 6 and after the problem was coming. i dont know whats the problem, i downgraded it bac to ios 6.1.3 no fix. some it's working 4-5 hours sometimes turns off after 10 minutes, i dont know whats that... im so sad, anybody knows how can we fix this?