You can use your Mozilla account settings to see which devices are connected to your account, remove devices you no longer use and troubleshoot common issues. This article explains how to view your linked devices, remove old or lost devices, and understand why a device may be missing or appear more than once.
Table of Contents
View your linked devices
To see the devices linked to your Mozilla account:
- Sign in to your Mozilla account.
- Open Account Settings.
- Select .
The Connected Services section shows the devices and services currently connected to your Mozilla account.
The device you're currently using appears first, followed by the devices and services that most recently signed in using Sync.
Your device could be missing if you are using an outdated version of Firefox desktop, please update to the latest version. If you are using the latest version of Firefox desktop, make sure your Sync is set to On.
Remove an old or lost device
If you no longer use a device or you've lost it, you can remove it from your Mozilla account.
- Open Connected Services.
- Find the device you want to remove.
- Click Sign Out next to that device.
Removing a device signs it out of your Mozilla account.
If you've lost a device or think someone else may have access to it, you may also want to change your Mozilla account password and disable Sync on that device.
Understand duplicate devices
If the same device appears more than once in Connected Services, it usually means Firefox created more than one connection to your Mozilla account.
If you're sure the entries refer to the same device, click Sign Out next to the older or unused entry to remove it.
The current device will be listed first, followed by the most recent Sync device/service sign-ins.
Duplicate entries do not necessarily indicate a problem with your Mozilla account.
Find a missing device
If a device doesn't appear in Connected Services:
- Make sure you're signed in to the correct Mozilla account on that device.
- If you're using Firefox on desktop, update Firefox to the latest version.
- make sure Sync is turned on.
- Wait a few moments, then refresh the Connected Services page.
A device appears in Connected Services only after it successfully connects to your Mozilla account.
Being listed in Connected Services does not necessarily mean that bookmarks, passwords, history, or other Sync data have finished syncing.
How do I use my Mozilla account on my devices?
Learn how to add a device to your Mozilla account with Sync.