Would you like a direct APK download link or instructions for installing add‑ons on that version?

If you search "Firefox APK" on a modern device, you will get version 118+. That will not work on Android 4.2.2.

The final version compatible with your operating system is Firefox for Android 68.11.0 (sometimes referred to as "Fennec" – the codename for the old rendering engine).

Android 4.2.2 devices typically have limited RAM (512 MB – 1 GB). Set up Firefox to run smoother:

  • Under Privacy & security:
  • Clear cache every week:

    • When Firefox 68 opens for the first time:

    Yes, if:

    No, if: