I got my Galaxy Watch 4 two weeks ago and I've been using it to track my daily five-mile walk. I've found I've had issues just after the three-mile notification on three occasions. Twice my music (played via Amazon music on my phone) has been turned off and when I look at the watch screen it gives me the option to keep playing music via my device or via my watch. Today, my watch switched itself off completely just after the three-mile notification (something I didn't detect until I didn't get the four-mile notification!). I assumed there must have been a battery issue despite me checking I had plant of charge before I left the house. I switched the watch back on when I got home and it still has 40% battery.
Any ideas what could be causing this? Thanks in advance.