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How to set up Firefox Sync in Firefox for Android
How to enable sync on Firefox for Android to sync your bookmarks, credit cards, history, logins and open tabs across your devices.
I'm having problems with my Mozilla account
Get answers for common questions about your Mozilla account.
How do I set up Sync on my computer?
Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.
Mozilla account on support.mozilla.org
Frequently asked questions about Mozilla accounts on Mozilla Support.