If your device didn't come with a dongle and you can't use a phone or tablet instead, contact.
If the dongle is plugged in, your computer is able to recognize it. Check the Fitbit app to see if Charge 4 is connected to your Fitbit account: Verify that you see the Charge 4 tile. Try holding the button again for 10 seconds or until the smiley face appears. If you see "USB Dongle Disconnected," try a different USB port. Note that even when Bluetooth is on, the signal can occasionally be weak or problematic. Uninstall and reinstall the Fitbit app. Charge 4 charging cable that came in the box with your device. Set up Charge 4 again. Make sure the connection is secure, as described above. Note the device must be charged to at least 50% to set it up. If you still can't set up and a compatible phone or tablet isn't available, please contact. If your Mac doesn't have Bluetooth the dongle is required. Troubleshooting steps for all Fitbit devices. After you see the smiley face, wait for another 10 seconds or until the Fitbit logo or clock face appears. Note: Before you uninstall the app, verify that your phone is running a supported version of Android OS. When a smiley face appears on the screen, release the button. To check, on your computer find and click the icon with a Fitbit logo. Click the icon with the Fitbit logo (located near the date and time on your computer). Make sure the device is securely in the charging cable and restart Charge 4: Press and hold the button on the side of Charge 4 for at least 10 seconds. Find the option to remove the device from your account. 
When this happens, plug the wireless sync dongle into a USB port on your computer as shown. When the connection is secure, Charge 4 vibrates, and a battery icon appears on the screen. Make sure the pins on the charging clip lock securely with the gold contacts on the back of the tracker. Remove all other Fitbit devices from your account and from the list of connected Bluetooth devices on your phone or tablet. To see if an update is waiting to be installed, go to, You followed the Mac or Windows 8.1 instructions in. For OS requirements, see, If you still can't set up, please contact, Turn your Fitbit device off and back on using the instructions in. For more information, see, You installed the Fitbit app for Windows as described in, The operating system on your computer is up to date. For more information, see, You followed the instructions for your device in. This mode frequently causes the device to disable Bluetooth. Before getting started, make sure your device is connected securely to the charging cable: Clip the end of the charging cable to the port on the back of Charge 4. Make sure the device is centered in the charging cable and that the button on the side of Charge 4 is visible through the side of the clip. If a clock face appearsCharge 4 is set up and you can start using it. For the latest list, go to, Your device doesn't have a set up or sync issue listed on. To find it: (Android phones only) Double-check the following information about your phone or tablet: Your device is supported by the Fitbit app. If you're using the Fitbit app for iPhones and iPads, Android phones, or Windows 10 devices: About usCareersRetailersAffiliatesCorporate WellnessAPIHelp, 2022 Fitbit LLC. Why is the Fitbit app prompting me to turn on location services? Turn off Bluetooth on your phone; wait 10 seconds, and then turn it back on. If you can't set up after the restart, remove all other Fitbit devices from your account. If you dont see a smiley face after 10 seconds, adjust the position of the device in the charging cable, verifying its securely in place. If your phone is on an older version, you wont be able to reinstall the app. If you dont see a smiley face or the Fitbit logo on the screen after 5 seconds: Remove Charge 4 from the charging cable, then place it in the charging cable again. The software on your phone or tablet is up to date. For more information, see, If the Fitbit logo appearsset up Charge 4. Press and hold the button on the side of Charge 4 for at least 10 seconds. Note: The device vibrates when you press or release the button. All rights reserved.Privacy PolicyTerms of UseReturns & WarrantyProduct Care, Troubleshooting steps for Fitbit Charge 4, I can't set up Charge 4:The screen is blank and the tracker won't turn on. This means the software required for setup is installed. Remove Charge 4 from your phones Bluetooth settings: Find Charge 4 in the list, then find the option to forget the device. Connect your Fitbit device to the charger before you begin the setup process. To see if an update is waiting to be installed: The Bluetooth setting on your phone or tablet is on. Why won't my Fitbit watch connect to Wi-Fi? See, Try setting up your device again. Turn your Fitbit device off and back on. UL-certified wall charger. What should I know about using the Fitbit app on my Android phone? If you dont see a smiley face after 10 seconds, adjust the position of the device in the charging cable, verifying its securely in place. How do I get started with Fitbit Charge 4? Plug the charging cable into the USB port on a UL-certified USB wall charger. (Mac only) If your computer has Bluetooth, go to your System Preferences and verify that it is turned on. For more information, see, The latest Fitbit devices require an iPhone or Android phone. Note: If you still dont see a smiley face, wait 15 minutes before you try again. Can I use more than one Fitbit device with the same account? If you have trouble connecting your watch to Wi-Fi, see. If you dont see a Charge 4 tile, follow steps under. Note: You may have to adjust the tracker into the correct position in the charging cable. For more information, see. When a smiley face appears on the screen, release the button. If you can't set up after the restart, remove all other Fitbit devices from your account and from the list of connected Bluetooth devices on your computer. Try holding the button again for 10 seconds or until the smiley face appears. Connect Charge 4 to the charging cable, making sure the connection is secure, as described above. (Windows only) The wireless sync dongle is plugged into a USB port on the computer. It is located near the date and time.
Note: For more information about setting up Fitbit Ace or Fitbit Ace 2, see How do I set up Fitbit Ace devices?
Note: Dont plug the charging cable into a computer or USB hub for these troubleshooting steps. To verify that your phone is compatible with the Fitbit app, visit, For certain Fitbit devices, you can only connect 1 device to the same account. You have location services turned on and the Fitbit app has permission to access your location. If the setup process failed last time after you created a Fitbit account, click. You see an icon with the Fitbit logo located near the date and time on your computer. After you see the smiley face, wait for another 10 seconds or until the Fitbit logo appears. Power Saving Mode is turned off on your device.
