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Lock screen problems WITHOUT a case
The problem occurs at the home screen. I'll swipe to unlock the device, the screen goes blank, and then the lock screen pops up again as if I woke up the device using the power button. It will continue to cycle back to lock screen as I swipe over and over until I hold down all three buttons and restart the device. Sometimes this works and I can log in; other times, I'm right back where I was. But almost always after a successful start and swipe, the screen will go blank after using the device for a little while and then goes into its cycle.
I'm running 4.3 and am rooted. I have another Nexus 7 (2012) that is also running 4.3 and is rooted and has not had any problems at all. I have read MANY boards of people with similar issues, but mine is a little bit different. I do have the Poetic magnetic case, but the tablet hasn't been in there after reading that was the problem. So no magnet interference. Also, I turned off the Auto Brightness and still had the problem. Unlike many others, I do not have the charging or waking problems that a lot of people experienced, and I popped off the back cover and all of the connections (battery, lcd + digitizer, power and volume buttons) are secure. I performed a factory reset and even swapped batteries with my original tablet and the problem remained. I'm at such a loss.
Has anyone else had this problem and been able to resolve it??? I bought this tablet on Craigslist for my girlfriend, so there is no chance of returning it to the store.