Syncing and Notifications



  • To see if your device is compatible, see
  • Check if your phone, Fitbit device, and Fitbit app are up-to-date. For more information, see How do I update my Fitbit device? and How do I use the Fitbit app?
  • Your phone must be connected to cellular data or Wi-Fi, and the Bluetooth setting must be turned on.
  • If you use more than one phone or tablet to sync, make sure the other device isn't nearby.


  1. Force quit the Fitbit app on your phone.
  2. On your phone, go to Settings  and then Bluetooth  and turn Bluetooth off and back on.
  3. Open the Fitbit app and try to sync your device.
  4. If your device doesn't sync, restart it. For instructions, see How do I restart my Fitbit device?


Check your phone

  • Your phone must be within 30 feet of your Fitbit device.
  • You won’t see text notifications if you have the conversation open on your phone. Your Fitbit device shows new, unread texts.
  • You won’t see notifications if you turned on settings such as focus, do not disturb, quiet hours, or driving mode on your phone.

Check your Fitbit device

Troubleshooting tips for iPhones


Make sure the Fitbit app, your phone, and your Fitbit device are up-to-date.

Share system notifications

  1. Tap Settings and then Bluetooth and then information icon  next to the name of your Fitbit device.
  2. Turn Share System notifications OFF  and then back ON .

If you don’t see the Share system notifications option:

  1. Restart your Fitbit device.
  2. Tap Allow when you receive a message on your phone asking if you want your Fitbit device to show notifications.
  3. Tap  next to the name of your Fitbit device and turn on Share System Notifications.

Show previews

Tap Settings and then Notifications. Make sure Show Previews is set to Always or When Unlocked.

App notification settings

For each app that sends notifications, tap Settings and then Notifications and then the name of the app and verify these settings:

  • Allow Notifications—On
  • Alerts and then Notification Center—On
  • Show PreviewsAlways or When Unlocked

Troubleshooting tips for Android

  • Turn off background restrictions or limitations:
    1. Go to Apps & Notifications and then Fitbit app.
    2. Tap Background restrictions or Background limits to turn off the setting.
  • Turn off battery limitations:
    1. Go to Apps and then Fitbit app and then Advanced and then Battery and then Battery optimization.
    2. Change the view to All apps.
    3. Search for the Fitbit app and choose Not optimized.
  • Turn on location services and allow the Fitbit app to access your location.

Restart Instructions

Ace 2 & Inspire series

  1. Connect your device to the charging cable. For instructions, see How do I charge my Fitbit device?
  2. Press and hold the button or buttons on your tracker for 5 seconds.

Charge 3 & Charge 4

  1. Clip the charging cable to the port on the back of the tracker.
  2. Press and hold the button on your tracker for 8 seconds.

Charge 5, Charge 6, & Luxe

  1. Swipe down from the clock screen to find the Settings app .
  2. Open the Settings app  and then Restart Device and then Restart.

Sense & Versa series

Press and hold the button for 10 seconds until you see the Fitbit logo on the screen, and then release the button.


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