Older versions of Firefox for Android

How can I help by submitting mobile performance data?

The Telemetry and Crash Reporter features allow Mozilla's engineers to improve Firefox by sending back performance and usage information.

Last updated: 10/26/14

This feature is no longer active.

Last updated: 8/26/20

Old versions of Firefox for Android will no longer receive security and performance updates. Please get the latest version of Firefox for Android.

Last updated: 8/17/20

Firefox for Android is optimized for various screen sizes. Learn how to browse the Web and access your bookmarks on Firefox on your Android tablet.

Last updated: 11/30/15