I bought a 5x plus and oHR is not working consistently over 24 hours. I actually swapped out two other 5x pluses.. Same problem. The watch drops out most of the day. This has affected calorie counts during exercise as well as sleep data (especially REM). I have not had sleep data on the watch for weeks now. When I put the watch on the inside of the wrist...it works.. On the outside of the wrist for normal wear...it does not.. by the way..i am dark skinned..Garmin has not responded to queries... and updates have not fixed the problem.. anyone else has this experience?
There was another thread where another dark skinned person had found a solution, which worked for him:
Placing a shim of plastic under the watch.
Unfortunately, he left no details of his solution. (As I remember that thread, he was more interested in ranting than sharing.) So I have no idea if it was a shim of clear plastic covering the sensor, or a shim of dark plastic with a hole at the sensor, or something else.
