Firefox 4.0 was a significant release for Mozilla, bringing with it a new look and feel called "Australis," though it wasn't fully implemented until later versions. This version included several key features:
If you have a device running Android 4.4.2, modern Firefox (currently version 120+) will likely not install, as modern apps require newer Android APIs. You are likely looking for the last compatible version of Firefox for KitKat. firefox 4.4 2 apk
⚠️ : Using outdated browsers on old Android versions is risky because they lack modern security patches. Firefox 4