: Mozilla’s official storage for all past releases (look for versions under the "Fennec" or "Firefox for Android" folders). ⚠️ Important Warnings
Fast loading speeds via aggressive data compression algorithms.
For devices running Android 4.2.2 (Jelly Bean), the latest official stable release of Firefox that remains compatible is , which was released in mid-2020. This version is often the "gold standard" for older hardware as it was the final release before the major "Daylight" (Fenix) overhaul that raised system requirements to Android 5.0+. Recommended Firefox Versions for Android 4.2.2 Firefox Apk Android 4.2.2
You cannot simply download the latest version of Firefox from the Play Store. It will likely show as "Incompatible with your device." To get Firefox running on Android 4.2.2, you need a specific version.
Before you can install an APK file directly, you must configure your legacy Android device to accept applications from outside the Google Play Store. Step 1: Enable Unknown Sources Open the app on your Android 4.2.2 device. Scroll down and tap on Security . Locate the Unknown Sources option. Check the box to enable it, and confirm the warning popup. Step 2: Download and Transfer the APK : Mozilla’s official storage for all past releases
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Recommend a that might run better than Firefox on 4.2.2. This version is often the "gold standard" for
: Visit a reputable archive like the Mozilla FTP directory or APKMirror.
If you are determined to proceed, the last version of Firefox that is compatible with Android 4.2.2 (and Android 4.1 - 4.4 in general) is . This version was released as the "Fennec" build and has not received a security or performance update since July 27, 2020. For reference, the latest Firefox version as of 2026 is 149.0.2, highlighting the vast gap in development and security.
Scroll down and click on the folder named 68.0/ . You can also choose 68.0.2/ for the latest patch of the 68 series.