Privacy and security Learn how to protect your privacy and secure your data. ទាំងអស់ All articles and threads 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? Clear browsing history in Firefox for iOS Sync bookmarks, logins and browsing history on Firefox for iOS Set up a passcode and Face ID in Firefox for iOS Keep Private Browsing tabs open after exiting Firefox Customize Firefox Home on iOS Changing your two-step authentication device for your Mozilla account Search your browsing history in Firefox for iOS Disable Firefox Sync on a lost phone or tablet Send usage data on Firefox mobile browsers How do you use Adjust in Firefox? Usage Data Changes for Firefox for iOS and Android How does Firefox for iOS use the permissions it requests?