What's new in Firefox Fast & Private Browser 121.0

Bug Fixes and technical improvements

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A more recent upload may be available below!

About Firefox Fast & Private Browser 121.0

Firefox Fast & Private Browser 121.0 Play Store screenshots (15)

Screenshots from version 158.0

Download Firefox Fast & Private Browser 121.0

This release comes in several variants (we currently have 4). Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
121.0 BUNDLE 7 S
2015991103
December 13, 2023
universal
Android 5.0+
320-640dpi
121.0 APK
2015991103
December 13, 2023
universal
Android 5.0+
nodpi
121.0 BUNDLE 7 S
2015991663
December 16, 2023
universal
Android 5.0+
320-640dpi
121.0 APK
2015991663
December 16, 2023
universal
Android 5.0+
nodpi
All Releases
Firefox Fast & Private Browser 158.0

Version:158.0

Uploaded:October 14, 2026 at 6:01PM UTC

File size:125.94 MB

Downloads:149

Firefox Fast & Private Browser 157.0.1

Version:157.0.1

Uploaded:October 7, 2026 at 6:57PM UTC

File size:66.32 MB

Downloads:3,332

Firefox Fast & Private Browser 157.0

Version:157.0

Uploaded:October 6, 2026 at 6:09AM UTC

File size:66.31 MB

Downloads:5,085

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:2,568

Firefox Fast & Private Browser 156.0

Version:156.0

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

File size:127.10 MB

Downloads:2,362

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:5,547

Firefox Fast & Private Browser 155.0

Version:155.0

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

File size:64.53 MB

Downloads:1,203

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:6,747

Firefox Fast & Private Browser 154.0

Version:154.0

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

File size:64.82 MB

Downloads:3,070

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:3,924

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