When I had my FR235, if I got too far from my iphone I would lose bluetooth signal as expected, but once I came within range of my iphone again, the FR235 reconnected instantly.... With the Garmin FR645 Music, once I leave that bluetooth range, it NEVER reconnects to my iphone. I have to restart, or turn off and back on bluetooth, or close down and re open up the garmin app.. it is so annoying. Why isn't this as good or better than the FR235 which is like 3 years old???? Am I the only one having this issue. I was hopeful with each update it would be addressed, but still an issue. If I stay in range, it is good to go, but the second you are too far from your phone and then come back into range, it doesn't auto connect bluetooth. All manual process to reconnect and utterly frustrating!! This is easy to test out.. walk away from your Iphone for a couple minutes more than 35 feet away... when you come back it never reconnects without manually resetting the app, the watch and/or the iphone...... PLEASE FIX Garmin!
I am on an Iphone 8 with always the latest IOS version. This has been an issue since Day 1 of owning the FR645 Music.