Anyone else's phone unusable now?

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http://forums.androidcentral.com – My jelly bean update seemed to be perfect, until late last night. I was using Nova launcher and the phone kept switching between the home screen and the preview screen on its own without me touching any buttons. Over and over and over. Then it would load the media link page, which I've never pressed. Once it loads that page, it essentially freezes. You can't restart the phone in the normal fashion to clear the freeze. You have to long hold the power button for 10-15 seconds to reboot the phone. I switched to Sense, thinking maybe the problem was with Nova. Nope. Same thing on Sense. Constant c (HowTos)