o 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?
o Heart-rate tracking may not work with certain accessory bands, especially if
they’re loose fitting. For best results, use the wristband 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 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?
How do I erase my Fitbit device?
Before you give your Fitbit device to another person or return it, erase or factory reset the device
to remove apps, stored data, personal information, credit and debit cards (for Fitbit Pay-enabled
devices), and saved settings. For devices not listed below, your data is cleared when the device is
paired to a new account.
For instructions on how to remove a device from your account, see How do I remove a Fitbit
device from my account?
For instructions on how to factory reset your Charge or Charge HR as a troubleshooting step,
see How do I factory reset my Charge or Charge HR?
Why won't my Fitbit watch connect to Wi-
Fi?
Make sure that your Wi-Fi network is working correctly and that your network type is compatible with
your watch. Then move on to the troubleshooting steps if needed.
Verify your Wi-Fi Network
To verify that your Wi-Fi network is working correctly, connect another device, such as your phone or
computer, to your network. If the device connects successfully, confirm your network type is compatible
with your Fitbit watch by reviewing the supported network types in How do I connect my Fitbit watch to
Wi-Fi? For best results, use your home Wi-Fi network.
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