Optical heart rate sensor all of a sudden stopped working. Device is about one year old purchased in November 2021 already tried fixes such as deleting the device on the app and reinstalling. Firmware is up-to-date what next?
Best AnswerI had the same problem Charge 5 had for a few years without issue then loaded the device update and the green light and HR stopped working FitBit sent a new replacement but as soon as I loaded the update the lights wont come on so no HR is this very common? I have tried resetting and restarting many times
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