Firefox Apk Android 4.2.2 [new] Here

Modern Android versions (8.0 and above) are currently supported by the latest Firefox releases. However, for users on Android 4.2.2, the official Google Play Store version will likely fail to install. Mozilla Support Using an older Firefox APK provides: A Better Engine:

was the final version for Android 4.4 (KitKat), devices on 4.2.2 often find better stability with versions in the 30s or 40s. Mozilla Support Firefox Apk Android 4.2.2

For the most technical users, Mozilla’s own servers host every version ever released. Look under the pub/fennec/releases/ directory. Modern Android versions (8