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:
Ravi began to tinker. He learned to sideload packages, patch security quirks, and strip away obsolete permissions. He didn’t make the phone fast again; instead, he tuned it to be honest and useful. He set the browser’s homepage to the forum and added a bookmark called “Memory Lane.” When a nephew visited, Ravi handed him the phone and told stories about each bookmark. The boy pressed the Firefox icon with the solemnity of someone opening a present. Firefox Apk Android 4.2.2