My S3 just started doing this just under two weeks ago. It ran poorly on version 2 with lots of connection problems. After it got the push to 3, it worked great up until now. Normally at the end of the day the watch's battery would be at 70-75%. This morn it was fully charged at 6am, and it is already at 70% at noon. I have wifi on auto, display always off, heartrate sensor disabled, brightness on 6. Did the same thing after two resets and just having the default faces on it.
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