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Garmin Connect heart rate sync problem after update to 15.19

After updating to 15.19 yesterday, today I see this huge multi-hour gap in the heart rate graph in Garmin Connect, despite the watch tracking correctly the HR during this time frame. I've tried syncing multiple times, soft resetting the watch, clearing the Android app cache, and I've checked the device sync log. There's no way to force Garmin Connect to read this data from the watch again and the device sync log doesn't show any errors.

The only "unusual" thing I did this morning was switching wrists for wearing the watch and changing the wrist setting in Garmin Connect.

0 globoos over 1 year ago

I've had this happen before in previous versions. The watch registered, and the app did not see it. I had to turn the watch off and on to get it to work again. However, the gaps were not filled after subsequent synchronizations.

0 glitch_in_the_kernel over 1 year ago in reply to globoos

Okay, my watch crashed and rebooted on its own this morning. It could be the case that after the reboot the sync started working again.... I forgot the time it rebooted.

0 rubberduck over 1 year ago

I've had the exact same thing in 14.20 as well, again on Android phone. Didn't find a way to resolve it. I found that if I sync with Garmin Connect several times a day (!), in particular before I go to sleep and after I wake up, then it seems to generally prevent the issue. Wonder if that indicates something to do with the amount of data to be transferred and the potential fragility of the connection? (although it has no issues syncing an all-day activity)?

forums.garmin.com/.../watch-recording-daily-data-but-not-syncing-fully-to-garmin-connect-14-20

0 glitch_in_the_kernel over 1 year ago

Another thing I noticed just before I found out about this problem is that my body battery number was not being synced properly even within the Garmin Connect app. The home screen widget and the dedicated body battery screen showed different values, I think even the number in the dedicated screen was out of sync with the graph.