Yesterday my battery stopped charging for a bit and the watch got really warm, almost hot. I finally got it to charge after letting it rest for a bit and now the battery is draining quickly. In an hour it went from 100% to almost 50%. It is also still getting quite warm. There have been no recent updates-none needed. The only change is that I added a line. There was some issues, but the phone company was able to trouble shoot and it appears the line is working. Any suggestions regarding this battery issue?