Out of the blue this morning, my Galaxy Note 3 is running very hot while idle (holstered). The unit is housed in an Otterbox Defender case, and the excessive heat is noticeable through the back of the case. And the battery is draining at about 3 times the normal rate, with virtually no use this morning. I've only checked email a time or two, for no more than 5 minutes each time. I have powered it down. Any suggestions what this could be and what to do when I power it back on?
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