How do I update my tracker using a computer?

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Free feature enhancements and product improvements are occasionally made available via updates. You can update your tracker using the Fitbit Connect software on your computer or the Fitbit app on your mobile device. For mobile instructions, see:

Updating your Fitbit tracker can take several minutes and is demanding on its battery. While performing an update we recommend keeping your tracker plugged into its charging cable.

To update your tracker using a computer, follow these steps:

  1. Make sure that your tracker is nearby and that your wireless sync dongle is plugged into the computer.
  2. Click the Fitbit Connect icon in your system tray or menu bar and click Main Menu.
  3. From the Main Menu, choose the Check for device update option.
  4. Log into using your account email address and password. Fitbit Connect will perform a sync and then look for an update for your tracker.
  5. If an update is available, Fitbit Connect will display a progress bar indicating that the update is being applied. Keep your tracker close to the computer until the update is finished.
When the update completes, a confirmation screen appears. Your tracker will now restart, and you can continue using it with the latest update applied.

If you cannot locate the Fitbit Connect icon on your computer:

  • On MacOS: enter "Fitbit Connect" into the Spotlight search box.
  • On Windows: enter "Fitbit Connect" into the Start menu search box.
  • If a search on your computer does not bring up Fitbit Connect, you may need to reinstall it from

If an update failed to complete on your Flex:

  • Your tracker's LED indicator lights may cycle back and forth repeatedly, from left to right. Your Flex no may longer respond to taps, charging, or resets.
  • Try restarting your tracker.
  • Attempt to update your tracker again using a different method if possible (e.g. if you used Fitbit Connect to update your tracker, try using the mobile app instead).
  • If you are unable to resolve this issue, please contact Customer Support for further troubleshooting.


Last updated: October 25, 2014
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