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Garmin 935 - syncs steps and heart rate, etc but struggles to sync running activities

Long time Garmin 935 user here. I sync my Garmin 935 daily through the Garmin Connect app on iOS. It ALWAYS immediately transfers my steps, heart rate, and other health information. ~90% of the time, it DOES NOT transfer my running activity for the day. I've tried disconnecting/reconnecting my watch via Bluetooth as well as repairing from the watch, close and reopen the app, cycle power on my phone. Nothing seems to help. Eventually (sometimes 6 hours later) it will transfer the activity. I am at wit's end on why it doesn't consistently transfer the activity. Once in a while it does, but the majority of the time it does not. Any suggestions would be appreciated.

0 seilogramp over 3 years ago

For the activities that don't transfer, are you able to upload them manually or do you get an error message?

How Do I Manually Upload an Activity I Recorded to Garmin Connect?

0 fivehokies over 3 years ago in reply to seilogramp

I never get to the point where I have to manually upload them via computer. Through various closing/reopening of the app, syncing 3-4-5 times, it eventually transfers. Never get an error message. Activities are fine when they transfer. Don't understand why the health data always transfers quickly and on first try. Activity almost always takes a while. One thing that seems to help but I can't get it to work reliably (so it is probably not helping), it seems to help when I go in my Oura app and update my Oura ring then go back to Garmin. No relationship between Oura and Garmin -- data is separate; separate devices, etc.

0 seilogramp over 3 years ago in reply to fivehokies

It might help to clear out the activities being stored on the watch. Even if it's not a remaining space issue, this can sometimes help - Removing Recorded Activities on a Garmin Fitness Device

If that doesn't help, consider restoring the watch to factory defaults - Forerunner 935 - Restoring All Default Settings