Protect your privacy

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.

Firefox, Firefox for Android, Firefox for iOS,... Firefox, Firefox for Android, Firefox for iOS, Privacy and Security, Thunderbird Last updated: 11/23/2023

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.

Firefox, Firefox for Android, Firefox for iOS,... Firefox, Firefox for Android, Firefox for iOS, Mozilla Account Last updated: 05/07/2024

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.

Firefox for iOS Firefox for iOS Last updated: 10/06/2023

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.

Firefox Focus, Firefox for Amazon Devices,... Firefox Focus, Firefox for Amazon Devices, Firefox for Android, Firefox for Android Beta, Firefox for Fire TV, Firefox for iOS, Firefox Klar, Firefox Lite, Firefox Reality Last updated: 10/06/2021

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.

Firefox, Firefox for Android, Firefox for iOS,... Firefox, Firefox for Android, Firefox for iOS, Mozilla Account Last updated: 10/29/2023

How do you use Adjust in Firefox?

How Adjust is used in Firefox mobile products.

Firefox Focus, Firefox for Android, Firefox... Firefox Focus, Firefox for Android, Firefox for iOS, Privacy and Security Last updated: 03/29/2024

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.

Firefox for Android, Firefox for iOS Firefox for Android, Firefox for iOS Created: 10/28/2021
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