The latest version of the Fitbit app is installed on your phone or tablet.
Your phone or tablet has a cellular data or Wi-Fi connection.
The Bluetooth setting on your phone or tablet is on. To check, go to Settings > Devices >
Bluetooth.
The software on your phone or tablet is up to date. To check, go to Settings > System > Phone
update.
If you use more than one device to sync, make sure the other device isn't nearby. If the device is
nearby, turn off Bluetooth on it.
Your phone or tablet isn't managing other Bluetooth connections. If you have multiple
Bluetooth products like speakers or headsets paired to your phone along with your Fitbit device,
you may have trouble using more than one at the same time. Turn off other Bluetooth
connections when not in use.
Your Fitbit device's battery isn't critically low.
The firmware on your Fitbit device is up to date as described in
If syncing difficulty persists, remove all other Fitbit devices from your account and try to sync. If
your device still doesn't sync, contact
Windows 10 Computer
Syncing difficulty is usually caused by a missing requirement. Verify each requirement before
moving on to the troubleshooting steps.
The most recent version of the Fitbit app for Windows 10 is installed.
Fitbit Connect software isn't installed.
This software helps computers that can't run the Fitbit app for Windows 10 communicate
with a device, so if you've had a Fitbit device for a while or someone else who uses the
computer had one you may have Fitbit Connect installed. Look for an icon with the Fitbit
logo (
) near the date and time on your computer screen. If you see this icon, uninstall
Fitbit Connect using the same process for uninstalling any program.
Bluetooth is turned on. Bluetooth allows your computer to communicate with your Fitbit device.
To verify, go to Start > Settings > Bluetooth. If you can't find this setting and don't know
whether your computer supports Bluetooth,
explains how to check for Bluetooth
compatibility.
If your computer doesn't support Bluetooth, it can still communicate with your device if you
purchase a wireless sync dongle from the
If your device still won't sync, try these steps:
1.
From the Start menu go to Settings > Bluetooth. Make sure you see your device on the list with
the word “Connected” below.
2.
If your device isn't connected: