Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Privacy Notice

Firefox for Android Beta
Release Notes

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

39.0beta Firefox for Android Beta

May 28, 2015

Version 39.0beta, first offered to Beta channel users on May 28, 2015

New

Fixed

  • Improve performance for IPv6 fallback to IPv4

  • Fix incomplete downloads being marked as complete by detecting broken HTTP1.1 transfers

Changed

  • Removed support for insecure SSLv3 for network communications

Web Platform

Get the most recent version

All Firefox for Android Beta downloads