Synchronization issues between Polar Flow and Strava have been resolved and you can sync your device normally again. Apologies for the inconvenience these issues may have caused you.

We are continuing to work on a fix for this issue.

We are experiencing data transfer issues between Polar Flow and Strava. Data synchronization may be slower than normal or fail altogether. We are investigating the root cause and will provide an update as soon as possible. All data is safe.