I went to bed last evening around 9PM CT with my watch charged at 60%+. My daughter woke me up around 2:30AM and normally I can use the back light of my fenix to see around the room; however, it was not turning on. I turned on the light and saw the screen was on; however, was frozen (although the time was correct). I tried pressing the menu and back buttons and nothing happened. I noticed the charge was down to 8% which is extremely odd since my battery typically drops fewer than 5% overnight, so I plugged my watch to get a charge. The watch would not receive a charge. I tried a hard reset and the watch seemed to be in some sort of terrible loop where it would take forever to shut down and power back up. Finally, I took it to my laptop to sync directly with Garmin Express. Everything seems to sync fine and then the screen froze again... so I hard reset again... this time when it came back on line it showed 0% battery. Since then, the watch has shutdown and will not respond to a charge (yes my contacts are clean).
According to Garmin Express I am running software version 6.0.0.0
I did/changed nothing... I just went to bed with a functioning watch and woke up with a paper weight on my wrist, so Garmin must have pushed through some sort of update while I was asleep... my watch is bricked (completely unresponsive to any of the traditional reset methods) and I leave for a two week trip to Arizona on Sunday. Awesome.
I purchased the watch on October 28, 2018.