Fitbit not Syncing with iPhone? Try these Fixes

Having trouble syncing your Fitbit with your iPhone? It’s such a frustrating issue. But don’t worry, this guide will explain you why Fitbit not syncing with iPhone and offer you solutions to fix it.

Demi by Demi Updated November 21, 2023
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In today's fast-paced world, staying healthy and active is a top priority for many, and Fitbit is an essential tool for countless individuals. This remarkable wearable device tracks your daily steps, heart rate, sleep patterns, and much more. However, the frustration of seeing your Fitbit not syncing with iPhone can be all too real.

fitbit not syncing

Fear not, as this article delves into the reasons behind this issue and provides you with practical solutions to get your Fitbit back on track.

Why is my Fitbit not syncing with my iPhone?

Before we delve into the solutions, it's essential to understand why your Fitbit may not be syncing with your iPhone. There can be several reasons behind this common problem:

Bluetooth Connection Issues
• A common cause of syncing problems is a weak or unstable Bluetooth connection between your Fitbit and your iPhone.
• Interference from other devices or being too far away from your iPhone can disrupt this connection.

Low Battery
If your Fitbit's battery is critically low, it might not have enough power to establish and maintain a connection with your iPhone.

App or Firmware Issues
• Outdated or corrupted app data can cause Fitbit sync issues, including Apple Health not tracking steps.
• Similarly, if your Fitbit's firmware is outdated, it might not be compatible with your iPhone's operating system.

Network Connectivity
Syncing relies on an internet connection. If your iPhone is not connected to Wi-Fi or cellular data, syncing won't work.

Syncing Disabled
Sometimes, users accidentally disable syncing in their Fitbit app settings.

Compatibility Issues
If your iPhone is running an older iOS version or your Fitbit model is outdated, they may not be fully compatible.

Troubleshooting for Fitbit not syncing with iPhone

Now, let's explore some practical solutions to address these issues and get your Fitbit syncing with your iPhone again. Try these fixes one after another patiently until your issue gets fixed.

Check Bluetooth connection

Let’s start by checking the Bluetooth connection on your Fitbit and iPhone. Firstly, make sure that Bluetooth is enabled on both your Fitbit and iPhone. You can try to disable and re-enable Bluetooth on your iPhone, which can refresh the connection. Besides, move closer to your iPhone to avoid interference and improve signal strength.


Re-pair Fitbit with iPhone

In some cases, unpairing and then pairing your Fitbit device again can solve issues like Fitbit data not syncing between your devices.

Step 1. Unpair Fitbit device from iPhone
• Go to the Settings app > Tap Bluetooth > Find your Fitbit device in the list.

• Tap the i icon next to your device > Select Forget This Device.

forget this device

Step 2. Re-pair Fitbit device with iPhone
• Back to the Bluetooth menu and tap on your Fitbit to start the pairing process. Once paired, you check whether Fitbit now syncs your data with your iPhone.

Restart your devices

A simple reboot of your Fitbit and iPhone can sometimes resolve syncing problems.

• To restart your watch, press and hold the button for 10 seconds until you see the Fitbit logo on the screen, and then release the button.

• To restart your iPhone with Face ID, press and quickly release the Volume Up button > Perform the same operation on the Volume Down button > Press and hold the Side button and release when you see the Apple logo.

hard reset iPhone

Update the App version

Fitbit frequently releases new updates for their iOS apps to ensure that the app functions flawlessly with every new iOS release. If you haven’t update the Fitbit app on your iPhone for a long time, it’s time to do it to resolve the issue - Fitbit app not syncing with iPhone.

Head over to the App Store on your iPhone > Tap your profile > Scroll down to locate the Fitbit app > If there is a new version of Fitbit available, tap Update to update it to the latest version.

update fitbit

Manually sync your Fitbit device

If your Fitbit isn't syncing with your iPhone automatically, you can attempt a force sync. This method compels your device to sync its data with your iPhone, which can be quite useful when the standard syncing feature is malfunctioning and preventing data synchronization.

To manually sync your Fitbit data with iPhone, launch the Fitbit app > Tap your profile icon > Select your device > Scroll down and tap Sync Now to sync your Fitbit data.

sync fitbit data


While experiencing issues with your Fitbit not syncing with your iPhone can be frustrating, it's reassuring to know that many solutions are readily available. By understanding the possible causes of syncing problems and following the fixes outlined in this article, you'll likely be able to resolve the issue and get back to tracking your fitness goals with confidence.

Whether it's a simple Bluetooth connection problem or a more complex app issue, these troubleshooting steps should help you sync up your Fitbit and iPhone for a seamless tracking experience.


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