6. If your Fitbit device won't sync after you reinstall the app, log in to your Fitbit account on a
different phone, tablet, or computer and try to sync.
7. If your Fitbit device still doesn’t sync, remove all other Fitbit devices from your account and
from the list of connected Bluetooth devices on your phone and try to sync.
Windows 10 phone or tablet
Make sure these requirements are met:
The Fitbit app is installed on a supported phone or tablet. To check,
see http://www.fitbit.com/devices.
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 How do I update my Fitbit
device?
If syncing difficulty persists, remove all other Fitbit devices from your account and try to sync. If
your device still doesn't sync, contact Customer Support.
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
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