Privacy and security Learn how to protect your privacy and secure your data. In English Avoid and report Mozilla tech support scams Private Browsing in Firefox for iOS Enhanced Tracking Protection in Firefox for iOS How do I choose what information to sync on Firefox? Set up a passcode and Face ID in Firefox for iOS Clear browsing history in Firefox for iOS Sync bookmarks, logins and browsing history on Firefox for iOS Send usage data on Firefox mobile browsers Keep Private Browsing tabs open after exiting Firefox Customize Firefox Home on iOS Changing your two-step authentication device for your Mozilla account Disable Firefox Sync on a lost phone or tablet How do you use Adjust in Firefox? Usage Data Changes for Firefox for iOS and Android Search your browsing history in Firefox for iOS How does Firefox for iOS use the permissions it requests?