What's new in Firefox Fast & Private Browser 121.1.0

* By popular demand, Firefox for Android now has expanded extension capabilities, adding new support for over 400 more extensions!
* Private windows now protect users even better by blocking third-party cookies and storage of content trackers.
* Enhanced Tracking Protection custom mode now includes blocking of social trackers by default. Previously they were only blocked in strict mode.
* Fixed rendering issues and crashes on Google Pixel 8 and Samsung Galaxy S22 devices.
* Security fixes.

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About Firefox Fast & Private Browser 121.1.0

Firefox Fast & Private Browser 121.1.0 screenshots (15)

Screenshots from version 154.0.1

Download Firefox Fast & Private Browser 121.1.0

This release comes in several variants (we currently have 2). Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
121.1.0 BUNDLE 8 S
2015996455
January 9, 2024
universal
Android 5.0+
213-640dpi
121.1.0 APK
2015996455
January 9, 2024
universal
Android 5.0+
nodpi
All Releases
Firefox Fast & Private Browser 154.0.1

Version:154.0.1

Uploaded:August 26, 2026 at 2:17AM UTC

File size:124.11 MB

Downloads:2,547

Firefox Fast & Private Browser 154.0

Version:154.0

Uploaded:August 20, 2026 at 11:15PM UTC

File size:64.82 MB

Downloads:2,815

Firefox Fast & Private Browser 153.0.4

Version:153.0.4

Uploaded:August 13, 2026 at 5:02AM UTC

File size:123.38 MB

Downloads:3,642

Version:153.0.3

Uploaded:August 9, 2026 at 4:50PM UTC

File size:123.37 MB

Downloads:3,430

Version:153.0.2

Uploaded:July 31, 2026 at 8:46PM UTC

File size:123.33 MB

Downloads:2,732

Version:153.0.1

Uploaded:July 31, 2026 at 8:46PM UTC

File size:123.27 MB

Downloads:996

Version:153.0

Uploaded:July 23, 2026 at 10:48PM UTC

File size:123.27 MB

Downloads:3,805

Version:152.0.6

Uploaded:July 22, 2026 at 5:04PM UTC

File size:122.54 MB

Downloads:3,126

Version:152.0.5

Uploaded:July 8, 2026 at 11:18AM UTC

File size:122.53 MB

Downloads:4,048

Version:152.0.4

Uploaded:July 1, 2026 at 8:48PM UTC

File size:125.19 MB

Downloads:2,947

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