Mozilla hosts verified releases on the Fenix GitHub repository , where you can find APKs under the "Assets" section of each release.
Third-party sites like APKMirror and Uptodown provide archived versions and specific architecture builds (like arm64-v8a). How to Install Firefox Using an APK firefox download apk download
To ensure your security and privacy, you should always download the Firefox APK from verified sources. Mozilla hosts verified releases on the Fenix GitHub
Advanced users can access the official Mozilla FTP (Fenix releases) to find direct APK files for various versions. firefox download apk download