I've got the Vivoactice 3 and it's been tracking my heart rate perfectly fine until 2 weeks ago apparently. It has only tracked my heart rate twice in those 2 weeks when before it was tracked daily. How do I fix it?
I've got the Vivoactice 3 and it's been tracking my heart rate perfectly fine until 2 weeks ago apparently. It has only tracked my heart rate twice in those 2 weeks when before it was tracked daily. How do I fix it?