ipad 4 is abour 2-3 weeks old. we just turned it off with the power off feature for the first time. went out and when we came home, we noticed that the screen was flickering the apple logo and then flickering off and repeating this cycle. i'm sure this is not normal. we just did recently install the most recent iOS. any suggestions would be appreciated, otherwise we will bring into apple store next week. when we power on everything seems to work perfectly fine, but if there's a problem would rather have it fixed or replaced rather than let it be