Troubleshooting Specific Service Issues

Below, we have compiled all the services and possible ways to find the issue why activities or daily steps are not synchronizing. 
 Click on the service to open instructions: 
 Garmin Connect 
 Polar Flow 
 Suunto 
 Fitbit 
 Under Armour (MapMyRun / MapMyWalk / MapMyRide / MapMyHike) 
 Decathlon Coach 
 Health Mate (Withings) 
 Adidas Running (Runtastic) 
 Wahoo 
 Strava