My phone has been rebooting constantly over the past 36 hours. I tried to repair, reformat and even remove the media card. I also removed all or most of the apps. I then noticed that when I lightly tapped the upper back of the device, it would reboot.
I believe it to be an intermittent power problem with the phone and caled Verizon and within 5 minutes of my discussion with them, they are sending a replacement for me.
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