My 645M simply will not maintain a connection with my phone (Galaxy S7). It always says "open app on phone." The app is open, but it almost always says that my 645M is disconnected. If I hit "sync," it will sometimes connect for an instant and then disconnect. I've tried unpairing and repairing, restarting both, etc. Doesn't seem to help.
I never had this issue with the 935. I don't recall ever having to fiddle with its connection; if I was in range, it was connected and getting data, period.
Anyone else having issues.
