What's new in Firefox Fast & Private Browser 66.0.2

We’re working to make Firefox for Android better with each new release. Read the release notes to learn about any new features, bug fixes, and performance improvements at www.mozilla.org/en-US/firefox/android/notes/.

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About Firefox Fast & Private Browser 66.0.2

Firefox Fast & Private Browser 66.0.2 screenshots (8)

Screenshots from version 146.0.1

Download Firefox Fast & Private Browser 66.0.2

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
66.0.2 APK
2015619145
March 27, 2019
armeabi-v7a
Android 4.1+
nodpi
66.0.2 APK
2015619147
March 27, 2019
arm64-v8a
Android 5.0+
nodpi
66.0.2 APK
2015619149
March 27, 2019
x86
Android 4.1+
nodpi
All Releases
Firefox Fast & Private Browser 146.0.1

Version:146.0.1

Uploaded:December 20, 2025 at 7:53AM UTC

File size:54.51 MB

Downloads:2,058

Firefox Fast & Private Browser 146.0

Version:146.0

Uploaded:December 13, 2025 at 4:54PM UTC

File size:113.13 MB

Downloads:4,472

Firefox Fast & Private Browser 145.0.2

Version:145.0.2

Uploaded:November 27, 2025 at 5:45PM UTC

File size:115.74 MB

Downloads:3,403

Firefox Fast & Private Browser 145.0.1

Version:145.0.1

Uploaded:November 23, 2025 at 6:48AM UTC

File size:115.75 MB

Downloads:2,072

Firefox Fast & Private Browser 145.0

Version:145.0

Uploaded:November 14, 2025 at 9:25PM UTC

File size:57.1 MB

Downloads:3,677

Firefox Fast & Private Browser 144.0.2

Version:144.0.2

Uploaded:October 31, 2025 at 4:02PM UTC

File size:114.94 MB

Downloads:2,793

Firefox Fast & Private Browser 144.0.1

Version:144.0.1

Uploaded:October 28, 2025 at 4:35PM UTC

File size:114.88 MB

Downloads:1,303

Firefox Fast & Private Browser 144.0

Version:144.0

Uploaded:October 21, 2025 at 6:59PM UTC

File size:112.13 MB

Downloads:5,427

Version:143.0.4

Uploaded:October 5, 2025 at 4:34AM UTC

File size:109.15 MB

Downloads:9,451

Version:143.0.3

Uploaded:October 2, 2025 at 8:47AM UTC

File size:54.78 MB

Downloads:788

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