To check, go to Settings Devices Bluetooth.

The Bluetooth setting on your phone is turned on.

To check, go to Settings System Phone update.

Your phone is running the latest version of Windows 10.

For OS requirements, see Fitbit-compatible devices. If your phone is on an older version, you won’t be able to reinstall the app. Note: Before you uninstall the app, verify that your phone is running a supported version of Android OS.

Uninstall and reinstall the Fitbit app.

Confirm that permissions for the Fitbit app listed above are allowed on your phone.

Reopen the Fitbit app after each step until your device syncs. If the device is nearby, turn off Bluetooth on it.

If you use more than one phone or tablet device to sync, make sure the other device isn't nearby.

Background data or background refresh (For more information, see What should I know about using the Fitbit app on my Android phone?).

Location services (For more information, see Why is the Fitbit app prompting me to turn on location services?).

Permissions for the Fitbit app are allowed your phone:.

Your phone is connected to cellular data or Wi-Fi.

To confirm your phone is running a supported version of Android OS, see Fitbit-compatible devices. To check, tap Settings About Phone or About Device Android Version.

Your phone is running the latest version of Android OS.

Remove all other Fitbit devices from your account and from the list of connected Bluetooth devices on your phone.

A message appears asking you to allow your Fitbit device to pair with your phone.

Open the Fitbit app and set up the connection again.

Immediately, a message appears asking you to allow your device to display your iPhone notifications.

On your phone, go to Settings Bluetooth the information icon next to the name of your Fitbit device Forget This Device.

Remove the Bluetooth connection between your iPhone and your Fitbit device:.

For instructions, see the Apple help article. Reopen the Fitbit app after each step until your device syncs:

If you use more than one phone or tablet to sync, make sure the other device isn't nearby.

The Bluetooth setting on your iPhone is turned on.

Your iPhone is connected to cellular data or Wi-Fi.

For more information, see How do I use the Fitbit app? For more information, see How do I update my Fitbit device?

To check, tap Settings General Software Update.

Your iPhone is running the latest version of iOS.

Windows 10 notification not working