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This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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Privacy and security

Privacy and security

Learn how to protect your privacy and secure your data.

Send usage data on Firefox mobile browsers

This article describes which data is collected by Firefox for Android, Firefox for iOS, Firefox Focus and Firefox Klar.

Last updated: 2 days, 9 hours ago

Tracking Protection in Firefox Preview

Learn about Tracking Protection and how to turn it off.

Last updated: 8/20/19

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