Download Firefox Nightly for Android

App
Firefox Nightly
Developer
Mozilla
Version
2.4.1
File size
89.8 MB
Requires Android
8.0 or later
Source
Hosted here. Direct distribution authorized by developer or open-source software license.
Uploaded
3 September 2026
Malware scan
Scanned, no detections reported (ClamAV & Multi-Engine Scanner, 3 September 2026) · scan report
File type check
Valid APK (ZIP) container
Signature
v2_v3_signed
Package name
com.firefoxinteractive.firefoxnightly (as declared by the uploader)
SHA-256
b5509145811497f0f09422a734dae459a6d3f1cd5bcb449cd846962607fa2028

Before you install: only install APK files from sources you trust. Check the file details above against the developer's own information before installation.

Official Verified Distribution

To protect user security and guarantee malware-free installation, Firefox Nightly is distributed exclusively through verified official channels.

Install from Google Play (Official) →

✓ Verified genuine developer cryptographic signature. Zero altered binaries or repackaged adware.

How to install

  1. Download the file from the official link above.
  2. Check that the file size and SHA-256 hash match the details on this page or the developer's site.
  3. Open the APK from your browser's downloads or a file manager.
  4. If Android asks, allow installs from that app (the setting is usually called Install unknown apps).
  5. Press Install, then review the permissions the app requests when you first open it.

📖 Dedicated Installation Guide: Need detailed instructions or error fixes? Read our complete How to Download & Install Firefox Nightly APK Guide covering system requirements, permissions, and step-by-step troubleshooting.

Menus differ between phone makers and Android versions. Our step-by-step APK installation guide covers the differences, and checking an APK file explains hashes and signatures.

Back to Firefox Nightly details · Firefox Nightly version history · Our download policy