What's new in Firefox Beta for Testers 49.0
* Remember scroll position and zoom level for open tabs
* Updated First Run to showcase several exciting features
* Outdated tabs are now hidden when restore tabs setting is set to "Always restore"
About Firefox Beta for Testers 49.0
Help refine and polish the newest features almost ready for prime time. With Firefox Beta — Web browser, you get to test the latest performance, customization and security enhancements before they make it to our next version. Have an impact by helping to put the finishing touches on features and functionality.
Find a bug? Report it at mzl.la/android_bugs.
Want to know more about the permissions Firefox requests? mzl.la/Permissions
See our list of supported devices and latest minimum system requirements at www.mozilla.org/en-US/firefox/mobile/platforms/.
Mozilla marketing: In order to understand the performance of certain Mozilla marketing campaigns, Firefox sends data, including a Google advertising ID, IP address, timestamp, country, language/locale, operating system, app version, to our third party vendor. Learn more by reading our Privacy Notice here: www.mozilla.org/en-US/privacy/firefox/
ABOUT MOZILLA
Mozilla is a proudly non-profit organization dedicated to keeping the power of the Web in people's hands. We're a global community of users, contributors and developers working to innovate on your behalf. When you use Firefox, you become a part of that community, helping us build a brighter future for the Web. Learn more at mozilla.org.
Download Firefox Beta for Testers 49.0
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:159.0b3
Uploaded:October 16, 2026 at 4:28PM UTC
File size:65.26 MB
Downloads:37
Version:159.0b2
Uploaded:October 14, 2026 at 11:33PM UTC
File size:65.39 MB
Downloads:33
Version:159.0b1
Uploaded:October 13, 2026 at 6:51AM UTC
File size:66.67 MB
Downloads:39
Version:158.0b5
Uploaded:October 7, 2026 at 6:54PM UTC
File size:66.93 MB
Downloads:40
Version:158.0b4
Uploaded:October 6, 2026 at 3:46PM UTC
File size:66.93 MB
Downloads:45
Version:158.0b3
Uploaded:October 2, 2026 at 7:46PM UTC
File size:66.92 MB
Downloads:57
Version:158.0b2
Uploaded:October 1, 2026 at 5:41AM UTC
File size:66.91 MB
Downloads:46
Version:158.0b1
Uploaded:September 28, 2026 at 6:36PM UTC
File size:68.15 MB
Downloads:47
Version:157.0b5
Uploaded:September 23, 2026 at 4:45PM UTC
File size:66.31 MB
Downloads:62
Version:157.0b4
Uploaded:September 21, 2026 at 7:19PM UTC
File size:48.13 MB
Downloads:38
































