Why don't I see my heart rate on my Fitbit device?

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If your Fitbit device doesn’t show your heart rate, try these troubleshooting steps. 
  1. Make sure heart-rate tracking is turned on:
    • Most Fitbit devices—Confirm heart-rate tracking is enabled on your device. 
    • Fitbit Alta HR & Fitbit Charge 2—Confirm heart-rate tracking is set to Auto in the Fitbit app on your phone.
      • On-Device
        Open the Settings app User-added image on your device and make sure Heart Rate is set to On. 
      • Fitbit app
        1. Tap the Today tab User-added image > your profile picture > your device image.
        2. Tap Heart Rate and make sure it's set to Auto.
        3. Sync your device.
  2. Make sure your device is positioned correctly on your wrist:
    • Tighten the band so that it doesn’t slip on your wrist. For more information, see How do I track my heart rate with my Fitbit device?
    • Heart-rate tracking may not work with certain accessory bands, especially if they’re loose fitting. For best results, use the band that came with your device.
  3. If you’re doing an exercise such as high-intensity interval training, boxing, or other activities that cause your arm to move vigorously, try to relax your wrist and stay still for up to 10 seconds until your heart rate appears.

    Note that heart-rate tracking is disabled during swimming. 
  4. Use the Exercise app User-added image to record GPS data, including a map of your route, during a workout. If you use MobileTrack in the Fitbit app, your heart rate might not appear on your device. For more information, see How do I use GPS on my Fitbit device?
  5. Restart your device. For more information, see How do I restart my Fitbit device?
Last updated: April 3, 2020
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