Privacy and security
Learn how to protect your privacy and secure your data.
Avoid and report Mozilla tech support scams
Mozilla does not provide telephone support and does not charge for software downloads, upgrades or technical help. Learn more.
Private Browsing in Firefox for iOS
Firefox lets you browse without saving your history or cookies on your iPhone or iPad.
Enhanced Tracking Protection in Firefox for iOS
Firefox for iOS has a Tracking Protection feature which reduces targeted ads and helps stop advertisers from tracking your browsing.
How do I choose what information to sync on Firefox?
Learn how to select what information (bookmarks, add-ons, browsing history and other data) to share across your devices with Firefox Sync.
Clear browsing history in Firefox for iOS
Clear your browsing information, like sites you've visited, autofill information and site preferences.
Sync bookmarks, logins and browsing history on Firefox for iOS
Pair Firefox for iOS with Firefox desktop and Android to sync your bookmarks, logins and other browsing information across devices.
Send usage data on Firefox mobile browsers
This article describes which data is collected by Firefox for Android, Firefox for iOS, Firefox Focus, Firefox Klar and Firefox Lite.
Set up a passcode and Face ID in Firefox for iOS
For increased security, you can choose to activate either Face ID, Touch ID, or a passcode to access your stored passwords.
Customize Firefox Home on iOS
Firefox Home on your iOS device displays your shortcuts, your library, recently visited tabs, recently saved bookmarks and Pocket article recommendations.
Keep Private Browsing tabs open after exiting Firefox
Adjust Firefox settings to retain Private Tabs when exiting the app.
How do you use Adjust in Firefox?
How Adjust is used in Firefox mobile products.
Search your browsing history in Firefox for iOS
You can search your browsing history within the History panel in Firefox for iOS.
Disable Firefox Sync on a lost phone or tablet
This article describes what you should do to prevent someone from accessing your passwords on a lost device with Firefox Sync.
Changing your two-step authentication device for your Mozilla account
What to do if you have two-factor authentication (2FA) setup on your account and need to migrate to a new device or phone.
Usage Data Changes for Firefox for iOS and Android
Firefox began collecting new usage data to support the Firefox for iOS 39 and Android 94 releases to support personalization.
How does Firefox for iOS use the permissions it requests?
When using specific functions in Firefox, iOS asks you to grant a number of permissions. This article explains what these permissions mean and how they are used.