I did a search and i found this articles: *[https://support.mozilla.org/en-US/kb/how-do-i-clear-private-data-firefox-android Clean Private Data] *[https://support.mozilla.org/en-US/kb/clearing-cookies-private-data-history-and-settings Cleaning Cookies] *[http://www.ghacks.net/2013/12/04/delete-top-sites-bookmarks-history-entries-firefox-android/ Removing Top Sites, Bookmarks or History entries] *[http://www.youtube.com/watch?v=lEtOjjMtzn8 Clear browsing history for Mozilla Firefox for Android users(Video)] *[http://www.makeuseof.com/tag/how-to-delete-your-mobile-browsing-history-on-android/ How To Delete Your Mobile Browsing History]