Fitbit Charge 4 User's Manual

To set up your Fitbit Charge 4, download the Fitbit app on your smartphone, create or log into your Fitbit account, and follow the on-screen instructions to pair your device via Bluetooth.
Ensure Bluetooth is enabled on your phone, restart your Charge 4 and your smartphone, and try syncing again. If the problem persists, try reinstalling the Fitbit app.
To extend battery life, reduce the use of GPS, use dynamic GPS only when necessary, decrease screen brightness, and turn off all-day sync and notifications that are not needed.
Wear your Fitbit Charge 4 to bed, and ensure sleep tracking is enabled in the app. Your sleep data will automatically sync with the app, where you can view detailed sleep stages and insights.
Check the connection between the charging cable and the tracker, ensure there is no debris on the contacts, and try a different USB port or charger. If issues persist, consider replacing the charging cable.
Yes, the Fitbit Charge 4 is water-resistant up to 50 meters, making it suitable for swimming. However, avoid pressing the buttons while underwater.
Open the Fitbit app, tap on your profile picture, select your Charge 4 device, and choose 'Clock Faces'. Browse available options and select one to install.
Perform a restart by pressing and holding the button on the side of the device until you see the Fitbit logo. If the problem persists, perform a factory reset.
Ensure your device is charged at least 50% and connected to Wi-Fi. Open the Fitbit app and follow the prompts to update your device from the dashboard.
To use the built-in GPS, start an exercise from your Charge 4 and wait for the GPS icon to turn solid before beginning your activity. You can view maps and stats in the Fitbit app post-activity.