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I can't sync my tracker

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If you've created a Fitbit account and set up your tracker, the tracker should automatically sync with your dashboard as described in How do Fitbit trackers sync their data?

If your tracker isn't syncing, choose your mobile app or computer below for instructions.

Due to a known issue with Fitbit Charge HR™, we recommend starting with the What's wrong with my Charge HR? article if you're having difficulty with that tracker.
  • Fitbit app for iOS

    Syncing issues are often caused by a missing requirement. For this reason we recommend verifying each requirement before moving on to the troubleshooting steps.

    Requirements

    Troubleshooting

    If all the requirements are met and your tracker isn't syncing, make sure your charged tracker is nearby and try to sync after each step:

    1. Turn off Bluetooth, turn it back on, and then open the Fitbit app.
    2. Force quit the Fitbit app and open it again.
    3. Reboot your mobile device and then open the Fitbit app again.
    4. Restart your tracker. For more information, see How do I restart my tracker?
    5. Try syncing with a computer instead. If you use the notifications feature, first see Why is my tracker only syncing with one mobile device?
    6. If you're still unable to sync, contact Customer Support so we can investigate the issue and get you back on track.
  • Fitbit app for Android

    Syncing issues are often caused by a missing requirement. For this reason we recommend verifying each requirement before moving on to the troubleshooting steps.

    Requirements

    • You installed the Fitbit app on a supported device. For an up to date list of supported devices, visit http://www.fitbit.com/devices.
    • Your Android device doesn't have a syncing issue mentioned in the known issues list at  Which Android devices have known issues with the Fitbit app?
    • Your device software is updated to the latest version. To check, tap Settings > About Phone or About Device > Android Version.
    • Bluetooth is enabled on your device. To check, tap Settings > Connections > Bluetooth.
    • Your device is only managing one Bluetooth connection at a time. For more information, see The Fitbit app for Android is interfering with my other Bluetooth devices.
    • If you have notifications enabled, you're not trying to sync with more than one device or a computer. For more information, see Why is my tracker only syncing with one mobile device?
    • The Always Connected option in your tracker settings is on. This improves the Bluetooth connection between your phone and tracker. Note that turning on this feature may cause the battery on your tracker to drain more quickly than normal.
    • Power Savings Mode is off. This mode may disable Bluetooth to save power.

    Troubleshooting

    If all the requirements are met and your tracker still isn't syncing, make sure your charged tracker is nearby and try to sync after each step:

    1. Close the Fitbit app and open it again. A sync should occur whenever the app is opened.
    2. Turn off Bluetooth, turn it back on, and then open the Fitbit app.
    3. Reboot your mobile device and then open the Fitbit app again.
    4. Restart your tracker. For more information, see How do I restart my tracker?
    5. Uninstall and reinstall the Fitbit app.
    6. Consider using the All-Day Sync setting. This prompts your tracker to periodically sync with the Fitbit app but may cause increased battery drain on your mobile device or tracker.
    7. Try syncing with a computer instead but if you have notifications enabled first read Why is my tracker only syncing with one mobile device?
    8. If you're still unable to sync, contact Customer Support so we can investigate the issue and get you back on track.
  • Fitbit app for Windows 10 on a Mobile Device or PC

    Syncing issues are often caused by a missing requirement. For this reason we recommend verifying each requirement before moving on to the troubleshooting steps.

    Requirements

    • You installed the Fitbit app on a supported mobile device or PC. For an up to date list of supported devices, visit http://www.fitbit.com/devices.
    • Your mobile device software is updated to the latest version. To check, go to Settings > system > phone update.
    • Bluetooth is enabled on your mobile device or PC. To check, go to Settings > Devices > Bluetooth. If your tablet or computer doesn't support Bluetooth, you must connect it with your tracker using the charging cable (Fitbit Blaze™) or the wireless sync dongle (all other trackers) to sync your data.
      User-added image
    • If you're using a PC, make sure you don't have Fitbit Connect installed. To check, look for the Fitbit Connect icon located near the date and time on your computer ( User-added image ). If you see the icon it means Fitbit Connect software is installed on your PC.

    Troubleshooting

    If you have a Fitbit Alta™ and use a Windows 10 mobile device or computer, make sure your tracker is updated to the latest firmware (21.36.9). To get the firmware update, use a computer and plug in the wireless sync dongle that came with Alta. After updating the firmware you should be able to sync your Alta over Bluetooth on your Windows 10 device.

    If you have the latest firmware and can't sync your tracker with your Windows 10 device, contact Customer Support.

    If all the requirements are met and your tracker won't sync with a PC running the Fitbit app for Windows 10:

    1. Make sure that your tracker is paired ("connected") via Bluetooth. To do so, from the Start menu go to Settings > Devices > Bluetooth. Note that Bluetooth should be on and you should see your Fitbit tracker on the devices list with the word “Connected” below it.
    2. If your tracker is connected but won't sync, it’s possible that the Bluetooth signal is weak or compromised temporarily. Insert the wireless sync dongle that came with your tracker into a USB port. Note that Fitbit Blaze does not come with a dongle; it can connect to your computer directly via the charging cable.
    3. If your tracker is not connected:
      1. Tap or click the tracker name and choose Remove Device.
      2. Make sure your tracker is nearby and wait for it to reappear in the devices list.
      3. When it does, tap or click the tracker again and choose Pair. Pairing can take several minutes but you’ll see a progress bar. Pairing is done when the status changes to “Connected.”
    4. If you're still unable to sync, contact Customer Support so we can investigate the issue and get you back on track.

    Occasionally you’ll receive a prompt to insert the dongle a moment before Bluetooth finds your tracker and syncs. To make sure your tracker syncs:

    1. Tap or click Account. The time of your last sync appears below the tracker name.
    2. If the sync isn’t recent, insert the dongle. A sync should initiate immediately.
    3. To force a sync, tap or click the ellipsis icon (three dots) in the top right of our dashboard and tap or click sync now.
  • Fitbit app for Windows 8.1

    Syncing issues are often caused by a missing requirement. For this reason we recommend verifying each requirement before moving on to the troubleshooting steps.

    Requirements

    • You installed the Fitbit app on a supported device. For the latest list of supported devices, visit http://www.fitbit.com/devices.
    • Your device software is updated to the latest version. To check, go to Settings > Update & Security > phone update.
    • Bluetooth is enabled on your device. To check, go to Settings > system > Bluetooth.

    Troubleshooting

    If all the requirements are met and your tracker still isn't syncing, make sure your charged tracker is nearby and try to sync after each step:

    1. If your tracker syncs with one Windows 8.1 device but not a second device or your computer, see Why is my tracker only syncing with one mobile device?
    2. Turn off Bluetooth, turn it back on, and then open the Fitbit app.
    3. Close the Fitbit app and open it again. A sync should occur whenever the app is opened.
    4. Reboot your mobile device and then open the Fitbit app again.
    5. Restart your tracker. For more information, see How do I restart my tracker?
    6. Uninstall and reinstall the Fitbit app.
    7. Try syncing with your computer.
    8. Try setting up your tracker as a new device following the instructions in How do I set up my tracker?
    9. If you're still unable to sync, contact Customer Support so we can investigate the issue and get you back on track.
  • Fitbit Connect on a Mac or PC

    Syncing issues are often caused by a missing requirement. For this reason we recommend verifying each requirement before moving on to the troubleshooting steps.

    Requirements

    • Fitbit Connect is installed. To check, make sure you see the Fitbit Connect icon located near the date and time on your computer (User-added image). If you can't find Fitbit Connect, try the set up instructions again.
    • Your tracker is connected("paired") to your Fitbit account. To check, log into your fitbit.com account and click the gear icon in the top right corner. You should see your tracker's name at the top of the menu. If you don't see a tracker, click the Fitbit Connect icon and then choose Open Main Menu > Set Up a New Device to pair your tracker.
    • Your wireless sync dongle is plugged in and recognized by the computer (all trackers except Blaze). If you click the Fitbit Connect icon and see "Couldn't Find Wireless Sync Dongle," try a different USB port. Make sure you're using an actual port on your computer and not an accessory or USB hub.
      User-added image
    • If you have a Blaze, connect it to your computer as if you were charging the tracker. In other words, remove the tracker from the frame, put it in the charging cradle, and plug the other end into a USB port.
      User-added image

    Troubleshooting

    If all the requirements are met and your tracker isn't syncing, make sure your charged tracker is nearby and try these steps:

    1. Initiate a manual sync:
      1. Click the Fitbit Connect icon and click Open Main Menu.
      2. With your charged tracker nearby, click Sync Now.
      3. You may be asked to sign in to your Fitbit account, after which your tracker should sync. If you see a message saying your tracker can't be found, wake it up by pressing its button (most trackers) or tapping it (Flex).
    2. Check if your tracker synced by clicking the gear icon in the top right of your fitbit.com dashboard. You'll see the last sync time below the tracker name.
    3. If your tracker didn't sync, restart your tracker using the instructions in How do I restart my tracker?
    4. If your tracker still won't sync, uninstall and reinstall Fitbit Connect using the instructions in How do I reinstall Fitbit Connect?
    5. If your tracker didn't sync and you have access to a mobile device, try syncing with the Fitbit app instead.
    6. If you sync with an Android device but want to sync with Fitbit Connect:
      1. In the Fitbit app, tap the tracker tile twice and turn off Always Connected to avoid interference.
      2. Turn off Bluetooth on your Android device.
    7. If you're still unable to sync, contact Customer Support so we can investigate the issue and get you back on track.
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Last updated: July 22, 2016
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