Firefox for Android makes it easy for you to delete your browsing information. You can even automatically delete your data every time you quit Firefox. If you want to hide your recent activity and delete your web history in Mozilla Firefox, then this To restart Firefox, click the exit button, then reopen the browser. You can clear the history stored in Firefox using the steps in this support article: Delete browsing, search and download history on Firefox.
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How to Delete Browsing History in Mozilla Firefox
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