Firefox Nightly for Developers (Unreleased) APK

Firefox Nightly is a developmental channel for new Mozilla Firefox releases.

Please note that Firefox Aurora is no longer available and has transitioned to Firefox Nightly. More details here:

Download the release version of Firefox here:

Firefox Nightly is designed to showcase the more experimental builds of Firefox. The Nightly channel allows users to experience the newest Firefox innovations in an unstable environment and provide feedback on features and performance to help determine what makes the final release.

Found a bug? Report it at

Firefox Nightly automatically sends feedback to Mozilla:

Want to know more about the permissions Firefox requests?

See our list of supported devices and latest minimum system requirements at

Mozilla marketing: In order to understand the performance of certain Mozilla marketing campaigns, Firefox sends data, including a Google advertising ID, IP address, timestamp, country, language/locale, operating system, app version, to our third party vendor. Learn more by reading our Privacy Notice here:

Firefox Nightly for Developers 65.0a1 (arm64-v8a) (Android 5.0+) FILE INFORMATION

Version: 65.0a1 (2015591059)
Package: org.mozilla.fennec_aurora
File Size: 45.53 MB (47,737,120 bytes)
Min: Android 5.0 (Lollipop, API 21)
Uploaded: November 1, 2018

DOWNLOAD Firefox Nightly for Developers 65.0a1 (arm64-v8a) (Android 5.0+) APK

Old Versions

Firefox Nightly for Developers 64.0a1 (arm64-v8a) (Android 5.0+)

Version: 64.0a1 (2015589331)
Package: org.mozilla.fennec_aurora
File Size: 44.51 MB (46,674,356 bytes)
Min: Android 5.0 (Lollipop, API 21)
Uploaded: October 24, 2018 at 4:02PM 

Firefox Nightly for Developers 63.0a1 (arm64-v8a) (Android 5.0+)

Min: Android 5.0 (Lollipop, API 21)
Uploaded: September 6, 2018 at 11:00AM 

Firefox Nightly for Developers 62.0a1 (arm64-v8a) (Android 5.0+)

Firefox Nightly for Developers (Unreleased) APK
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