Fixed: If your Fitbit won't sync here's how to solve it

Learn to link your Fitbit tracker to your phone or computer
How to sync your Fitbit
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If your Fitbit won't sync, you've come to the right place. Whether you have a Versa 3, Charge 4, Inspire or another Fitbit tracker or smartwatch, we're experts in troubleshooting syncing issues.

In this guide, we'll be explaining exactly how to sync a Fitbit with your iPhone, Android smartphone or computer – and what to do if it's having trouble syncing.

Most users are likely to come across syncing issues over time, and knowing how to transfer the data stored on your device to the Fitbit app is an essential skill.

Read on below to discover everything you need to know.

How to sync your Fitbit

How to sync Fitbit

Syncing your Fitbit should actually be very straightforward, which is why it can be pretty head-scratching when your data doesn't seem to be transferring to the Fitbit app on your smartphone.

Once your Fitbit is set up and connected to your phone, it should have a consistent Bluetooth connection to it and therefore be ready to link up whenever you open the Fitbit app.

Manually sync your Fitbit

To force your Fitbit to sync, swipe down from the Fitbit app's home screen and release to begin the process.

You should then see the turquoise line worm its way from left to right just above the main tracking panel.

Turn on All-Day Sync on the Fitbit app

While this was a feature that previously appeared in Fitbit's app, the All-Day sync option has now been removed. So, as long as your phone is near your Fitbit device and they're paired with Bluetooth, they should sync regularly throughout the day to make sure your data is nice and up to date.

How to sync Fitbit with a computer

You don't need a smartphone to sync Fitbit data, and can actually use your computer by following these steps.

We're going to assume your Fitbit has been registered and set up properly, but there's a catch - to use Fitbit Connect, you need the Fitbit Wireless Sync Dongle.

1. Download Fitbit connect.
2. Make sure you're signed in with your account credentials.
3. Connect your Fitbit Wireless Sync Dongle.
4. It should sync automatically, or you can press Sync to do it manually.
5. Log into the Fitbit Dashboard at

Fitbit won't sync? Troubleshoot with these steps

Fitbit won't sync

It should be as simple as following the above, but experience tells us that it's fairly likely you'll come across some kind of issue with Fitbit syncing.

Problems with syncing are usually because you're not filling a requirement. Here's a checklist of the very basic things to double check if your Fitbit isn't syncing.

Fitbit syncing troubleshooting checklist

1. Check the Fitbit app is compatible with your device here, and that it's running the latest version (if on iPhone or Android, check for this through the App Store or Google Play Store).
2. Your connected device is running the latest software.
3. Your connected device has a cellular data or Wi-Fi connection.
4. Your connected device has Bluetooth turned on, and that you aren't connected to multiple things (some issues are related to conflicting Bluetooth connections).
5. Your Fitbit device's battery isn't low.
6. Your Fitbit device's software is up to date.

This list should be your starting point for if you're experiencing consistent issues with syncing, but, if all these are ticked, it's time to start troubleshooting with the tips below.

1. Perform a reset of the Fitbit app.
2. Turn Bluetooth off/on.
3. Turn your Fitbit off/on.
4. Uninstall and reinstall the Fitbit app.
5. Try logging into your Fitbit account on another device.
6. Remove other Fitbit devices from app and Bluetooth list.

Learn how to factory reset your Fitbit with our guide - this will result in any unsynced data being lost, but it could be the ticket to a world without syncing problems.