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How to Set Up a Fitbit and Connect It to Your Phone

Charge your Fitbit, sign in to the Google Health app, and add the device from Connections. Here are the phone requirements and fixes for common setup problems.
Estimate3–4 min Catalogued SpecialistWatchRanker Team
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Set up a Fitbit through the Google Health app—not your phone’s Bluetooth settings. Charge the device, install the app, sign in with a Google Account, then use Connections > Add device and follow the prompts.

Before you begin

  • Check your phone’s software: Google lists iOS 16.4 or later for iPhone and iPad, and Android 11 or later. The app works on most phones and tablets, but meeting the minimum does not guarantee compatibility with every phone. See Google’s Fitbit setup requirements.
  • Use a Google Account: New users need one to sign in. Google’s stated transition period for existing Fitbit-account users ended on February 2, 2026; a Google Account is now required to log in.
  • Charge your Fitbit before setup and turn on Bluetooth. Do not begin pairing from the phone’s Bluetooth settings; Google directs users to set up in the app.

Set up a Fitbit with your phone

  1. Install and open the Google Health app from your phone’s app store.
  2. Sign in with your Google Account. If you do not have one, follow the prompts to create one.
  3. In the app, open Connections, tap Add device, and select your Fitbit. Follow the on-screen instructions. On some devices, a notification on your phone may start the setup flow.
  4. When setup finishes, check the app’s Devices list. Your Fitbit should appear there, with details such as its last sync time and battery percentage.

What differs between iPhone and Android setup?

Phone Minimum listed OS Setup notes
iPhone or iPad iOS 16.4 or later Sign in with a Google Account and add the Fitbit through the app’s Connections section.
Android Android 11 or later Use the same in-app setup flow. Location services and the app’s location permission may also be needed; Power Saving Mode can interfere with Bluetooth.

If the Fitbit will not connect

Try these steps in order, returning to the app to retry setup after each relevant change. Google’s setup troubleshooting guide recommends starting with basic phone and Bluetooth checks before reinstalling the app.

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  1. Confirm the phone meets the listed OS requirement, install available phone updates, make sure Bluetooth is on, and retry setup in the Google Health app.
  2. On Android, turn on location services and allow the Google Health app to use location. If Power Saving Mode is on, turn it off during setup if it is interfering with Bluetooth.
  3. Turn Bluetooth off, wait about 10 seconds, then turn it back on. Retry setup in the app.
  4. Restart both the Fitbit and the phone, then try again.
  5. If another Fitbit device is connected to your account, remove it before trying to add this one. If you are replacing a Fitbit on an iPhone, remove the old Fitbit from the phone’s saved Bluetooth devices.
  6. If the Fitbit remains listed in the phone’s saved Bluetooth devices, remove it there and retry setup through the app. This is a troubleshooting step—not the way to begin pairing.
  7. Reinstall the app only after trying the earlier steps. First check that your phone’s OS is supported: Google warns that an older, unsupported system might not let you reinstall the app.

If setup worked but the Fitbit will not sync

For a sync problem after initial setup, check that the Fitbit has charge, Bluetooth is on, the phone has an internet connection, and both the app and phone software are up to date. Restart the phone and try syncing again. These checks address syncing after setup, rather than the initial pairing process. See Google’s Android sync troubleshooting guide.

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Adding a second Fitbit or Pixel Watch

Google says an account can generally have only one Fitbit device or Pixel Watch connected at a time in the Google Health app. The stated exception is one Fitbit Air together with one Pixel Watch. If you are replacing a device, remove the existing one from the account before adding the new one; iPhone users replacing a paired Fitbit should also remove the old device from the phone’s Bluetooth list.

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