About Firefox Beta for Testers 45.0
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.
**We need your help testing Intel x86 Atom based devices! If you have an Intel x86 Atom based device, download Firefox Beta and tell us what you think. **
Find a bug? Report it at http://mzl.la/android_bugs.
Want to know more about the permissions Firefox requests? http://mzl.la/Permissions
See our list of supported devices and latest minimum system requirements at https://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: https://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 45.0
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:154.0b3
Uploaded:July 29, 2026 at 9:05AM UTC
File size:64.77 MB
Downloads:13
Version:154.0b2
Uploaded:July 24, 2026 at 4:43PM UTC
File size:47.23 MB
Downloads:57
Version:154.0b1
Uploaded:July 23, 2026 at 6:20PM UTC
File size:47.21 MB
Downloads:37
Version:153.0b12
Uploaded:July 16, 2026 at 12:52AM UTC
File size:65.40 MB
Downloads:66
Version:153.0b13
Uploaded:July 15, 2026 at 6:52PM UTC
File size:65.43 MB
Downloads:61
Version:153.0b10
Uploaded:July 12, 2026 at 12:29AM UTC
File size:65.38 MB
Downloads:58
Version:153.0b11
Uploaded:July 11, 2026 at 8:02AM UTC
File size:65.38 MB
Downloads:38
Version:153.0b9
Uploaded:July 6, 2026 at 6:55PM UTC
File size:65.36 MB
Downloads:81
Version:153.0b7
Uploaded:July 4, 2026 at 12:39AM UTC
File size:65.34 MB
Downloads:51
Version:153.0b8
Uploaded:July 3, 2026 at 4:25PM UTC
File size:65.35 MB
Downloads:63































