When I strap the watch to my wrist it may detect and show heart rate for a few seconds, but then it disappears. There are no green lights on the back of the watch. This has only started happening since 3.14 upgrade.
When I strap the watch to my wrist it may detect and show heart rate for a few seconds, but then it disappears. There are no green lights on the back of the watch. This has only started happening since 3.14 upgrade.