The Digital Archaeologist’s Guide: Running Firefox on Android 4.2.2 Jelly Bean
Mozilla stopped supporting Android 4.1 through 4.3.x after Firefox 68 . Therefore, the specific APK you are looking for is Firefox 68.11.0 (released in mid-2020). Any version newer than this will simply refuse to install, displaying a "Parse Error" or "App not installed." Firefox Apk Android 4.2.2
You will not find this APK on the Google Play Store on your Jelly Bean device, as the Play Store’s API support has long been sunset for that OS. Instead, you must rely on trusted APK archives such as APKMirror (owned by Illogical Robotics, known for verification). Look for the variant labeled armv7a (or arm ), as most 2012-era devices use 32-bit ARM processors. Firefox Apk Android 4.2.2