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Forerunner 735XT unable to sync

Former Member
Former Member
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!
  • Garmin Connect service has an outage right now. Many users reports issues with activity syncing.
  • Hi!

    I have the exakt same experience as you Irondano, except i use android and windows. have tried installing a older version of Garmin connect but that didnt work. the only thing that have worked since the problem started fast a factory reset on the watch but then you delete the unsynced activites.. My Garmin express gave me an error message this morning "strava relative effort (non compatible)" and i cant delete that app. Starting to get real sick of this syncing problem..

    This is not only a activity syncing problem since i have this from time to time even if i dont have a activity in que to sync.
  • Former Member
    0 Former Member
    Hi guys, thanks!
    tmk2 yes, you are right, I also faced with it but unfortunately, this was not the problem as it still exists.
    HerrThun since my post sometimes the USB can again sync more or less (but never completely). I am heading to the service this Tuesday, I hope I will be able to share a useful update on it.
  • Former Member
    0 Former Member
    I haven't been able to sync either. Device is connected (and I can send workouts from Connect to my FR620 but my activities don't upload... help!
  • Former Member
    0 Former Member
    I have the same sync problem since about 20 days.
    With Garmin Express I could sync my activities, even when there are some error messages, but unfortunately I think I have to do a factory reset to get on track.
  • Former Member
    0 Former Member
    Hi,
    have same problem, can not sync phone and watch... very sad for so priced item...
    Everything updated, nothing works...