Heart Rate Doesn't Work on OS2

Discussion in 'Apple Watch' started by GENX, Sep 22, 2015.

  1. GENX macrumors newbie

    Apr 27, 2015
    I downloaded watch oS2 last night and ever since it finished downloading the heart rate monitor does not work. I am using the 42mm sport watch. It tries and tries to measure my heart rate and than says try again. I already tried reinstalling the OS and that did not help, anyone having this issue or know of a fix?
  2. xraydoc macrumors 604


    Oct 9, 2005
    No issue here. Try rebooting both phone and watch. Try it on another person or on your other wrist to see if it's somehow positionally related.

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