My tracker is not syncing with the Fitbit app for iOS

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If your tracker is not syncing with the Fitbit app for your iOS device, verify the requirements below and try the troubleshooting steps. For information on how iOS devices sync with Fitbit trackers, see How do Fitbit trackers sync with iOS devices?


First, verify the following:

  1. You installed the Fitbit app for iOS on a supported device. To see the most current list of supported devices, please go to
  2. Your iOS software is updated to the latest version. Check for software updates by tapping Settings > General > Software Update
  3. Bluetooth is enabled in Settings > Bluetooth on your iOS device.
  4. Your iOS device is not managing multiple Bluetooth connections at the same time. For more information, see The Fitbit app for iOS is interfering with my other Bluetooth devices.
  5. You're not trying to sync with multiple mobile devices or your computer after setting up call or text notifications. For more information, see Why is my tracker only syncing with one mobile device?


If all the requirements are met and your tracker is still not syncing, make sure your charged tracker is close to your mobile device and try the following:
  1. Turn off Bluetooth on your iOS device and then turn it back on.
  2. Go back to the app and try to sync. (To force a sync, tap Account, tab the tracker tile, and tap Sync Now).
  3. If the sync was unsuccessful, force quit the Fitbit app and open it again.
  4. If a sync didn't happen automatically when you reopened the app, reboot your iOS device and then reopen the Fitbit app again.
  5. If a sync still didn't happen automatically, restart your tracker using the instructions in How do I restart my tracker?
  6. If your tracker won't sync after a restart, contact Customer Support so we can investigate.
Last updated: August 20, 2015
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