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 the device is nearby, turn off Bluetooth on it. 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.

Fitbit base station setup