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My Garmin forerunner 645 music will not pair with my phone

I've been using my 645 music for 8 months now with no issues. Today it will not sync with my phone. I've switched on/off uninstalled/installed app reset watch and it still wont pair. Please help

  • And fall outs must be expected since Garmin are having a hard time get it to work - and break it once in a while when updating.

    I am not so sure that it is Garmin's fault that it happens after updating the app. It happens only to some phones, and specific brands seem to be much more sensitive than others. Most people do not experience any problems whatever after an update, with the syncing. It can be also simply because after the update, the phone stops applying settings for the original app, or becuase the phone fails to clear the network or Bluetooth cache - that's could be the reason why often resettting the network or clearing the Bluetototh cache, on the phone manually, helps.

  • Hard to prove. And I think it's pretty clear though, when one update breaks it and the next fixes the problem.

  • Well, it worked until I swiched off my S10. Now I am having the problem again. Looks like I will have to clear BT cache and phone cache every time I switch off my phone....