Learn how to connect Firefox Sync with Firefox Preview.
Firefox Preview lets you send tabs from your phone to your computer so that you can view them later. Learn more.
What to do if you have two-factor authentication (2FA) setup on your account and need to migrate to a new device or phone.
You can move your bookmarks, saved logins and browsing history by enabling Sync on your current Nightly browser, then on the new Nightly.
If you've run into a problem getting Firefox Sync to work correctly, this article will walk you though the most common solutions.