Privacy and security Learn how to protect your privacy and secure your data. ទាំងអស់ All articles and threads Tracking protection Encryption In English Avoid and report Mozilla tech support scams About private browsing in Firefox for iOS Firefox Terms of Use FAQ Manage technical and interaction data collection settings in Firefox Mobile - Manage Firefox data collection and privacy settings Manage daily usage ping data collection settings in Firefox How do I choose what information to sync on Firefox? Clear browsing history in Firefox for iOS Enhanced Tracking Protection in Firefox for iOS Oblivious HTTP (OHTTP) explained Disable Firefox Sync on a lost phone or tablet Set up a passcode and Face ID in Firefox for iOS How does Firefox for iOS use the permissions it requests? Send usage data on Firefox mobile browsers Keep Private Browsing tabs open after exiting Firefox How do you use Adjust in Firefox? Change your two-step authentication device for your Mozilla account Usage Data Changes for Firefox for iOS and Android