Hi guys! I have been using my Forerunner 735XT since the end of this April. It worked pretty well all the time until mid-July when the other day (after a few hours of cycling) I was unable to sync. Actually, I could connect with Bluetooth to my iPhone 6s (11.4.1) via Garmin Connect (4.8) and started syncing (the green line in the circle started loading around the watch) but at the end always failed.
It syncs the number of steps, receiving notifications but unable to sync any other, especially the exercise activity or the sleeping activity.
Therefore I changed to USB syncing, downloaded Garmin Express to my macOS High Sierra (10.13.4) and worked for the past 1.5 weeks but this morning it failed. Now it is unable to sync anything. Neither steps nor activity. Nothing :(
Any idea or recommendation on it or maybe the same experience? Any help is appreciated and many thanks in advance!