Firefox Preview Nightly is a developmental channel for new Firefox Preview releases. It is intended for advanced users only.

Nightly releases are not tested extensively before being published. They may be unstable; users can expect occasional crashes or data loss.

The Nightly channel allows experienced users and developers to provide feedback on features and performance to help determine what makes the final release.

Please email firefox-preview-feedback@mozilla.com with your comments, or file a bug on : Github.

Firefox Nightly automatically sends feedback to Mozilla. You can read more about telemetry privacy here.

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

Variant
Arch
Version
DPI
Nightly 200204 18:00 APK
20351804
February 5, 2020
arm64-v8a
Android 5.0+
nodpi
All Releases

Version:Nightly 200706 06:01

Uploaded:July 6, 2020 at 10:20PM UTC

File size:82.12 MB

Downloads:502

Version:Nightly 200705 06:01

Uploaded:July 5, 2020 at 5:08PM UTC

File size:82.12 MB

Downloads:51

Version:Nightly 200703 06:16

Uploaded:July 3, 2020 at 5:20PM UTC

File size:82.09 MB

Downloads:46

Version:Nightly 200702 06:03

Uploaded:July 2, 2020 at 10:03PM UTC

File size:81.94 MB

Downloads:43

Version:Nightly 200701 06:01

Uploaded:July 1, 2020 at 4:25PM UTC

File size:81.94 MB

Downloads:52

Version:Nightly 200630 06:01

Uploaded:July 1, 2020 at 12:33AM UTC

File size:81.89 MB

Downloads:31

Version:Nightly 200629 06:01

Uploaded:June 29, 2020 at 4:28PM UTC

File size:81.92 MB

Downloads:44

Version:Nightly 200628 06:01

Uploaded:June 28, 2020 at 6:58PM UTC

File size:81.91 MB

Downloads:56

Version:Nightly 200627 06:01

Uploaded:June 27, 2020 at 9:18AM UTC

File size:81.91 MB

Downloads:55

Version:Nightly 200626 06:01

Uploaded:June 26, 2020 at 4:38PM UTC

File size:81.67 MB

Downloads:67

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