What's new in Firefox Fast & Private Browser 4.0b3

Thanks for choosing Firefox! Here's what's new:
- (144.0.1) Fixed an issue where the bottom toolbar could be hidden by the keyboard.
- Translations banner: see if a page is fully translated or still in progress.
- Tracking Protection: panel shows how your privacy is protected on each site you visit.
- Platform update: Firefox now requires Android 8 or later to ensure continuous improvements to performance and security.

Have feedback? Let us know at mzl.la/AndroidSupport.

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About Firefox Fast & Private Browser 4.0b3

Firefox Fast & Private Browser 4.0b3 Play Store screenshots (15)

Download Firefox Fast & Private Browser 4.0b3

This release may come in several variants. Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
4.0b3 APK 1
2
July 3, 2012
armeabi-v7a
Android 2.0+
nodpi
All Releases
Firefox Fast & Private Browser 157.0

Version:157.0

Uploaded:September 27, 2026 at 7:39AM UTC

File size:66.31 MB

Downloads:3,304

Firefox Fast & Private Browser 156.0.1

Version:156.0.1

Uploaded:September 26, 2026 at 7:39AM UTC

File size:127.34 MB

Downloads:2,331

Firefox Fast & Private Browser 156.0

Version:156.0

Uploaded:September 18, 2026 at 7:54AM UTC

File size:127.10 MB

Downloads:2,308

Firefox Fast & Private Browser 155.0.1

Version:155.0.1

Uploaded:September 9, 2026 at 7:18AM UTC

File size:126.92 MB

Downloads:5,504

Firefox Fast & Private Browser 155.0

Version:155.0

Uploaded:September 3, 2026 at 8:06AM UTC

File size:64.53 MB

Downloads:1,170

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:6,367

Firefox Fast & Private Browser 154.0

Version:154.0

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

File size:64.82 MB

Downloads:3,045

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:3,864

Version:153.0.3

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

File size:123.37 MB

Downloads:3,523

Version:153.0.2

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

File size:123.33 MB

Downloads:2,840

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