What's new in Firefox Fast & Private Browser 121.0.1

* 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 121.0.1

Firefox Fast & Private Browser 121.0.1 screenshots (15)

Screenshots from version 154.0.1

Download Firefox Fast & Private Browser 121.0.1

This release comes in several variants (we currently have 3). Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
121.0.1 BUNDLE 8 S
2015995071
January 4, 2024
universal
Android 5.0+
213-640dpi
121.0.1 APK
2015995071
January 4, 2024
universal
Android 5.0+
nodpi
121.0.1 APK
2015995074
January 6, 2024
arm64-v8a
Android 5.0+
nodpi
All Releases

Version:154.0.1

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

File size:124.11 MB

Downloads:665

Firefox Fast & Private Browser 154.0

Version:154.0

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

File size:64.82 MB

Downloads:2,715

Version:153.0.4

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

File size:123.38 MB

Downloads:3,586

Version:153.0.3

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

File size:123.37 MB

Downloads:3,398

Version:153.0.2

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

File size:123.33 MB

Downloads:2,723

Version:153.0.1

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

File size:123.27 MB

Downloads:988

Version:153.0

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

File size:123.27 MB

Downloads:3,792

Version:152.0.6

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

File size:122.54 MB

Downloads:3,114

Version:152.0.5

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

File size:122.53 MB

Downloads:4,038

Version:152.0.4

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

File size:125.19 MB

Downloads:2,927

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