"Unfortunately, Facebook has stopped." Fix: Clear cache. Go to Settings > Apps > Facebook > Storage > Clear Cache. If that fails, your phone likely needs a custom ROM (but that's beyond this guide).
: Sites like APKMirror or Uptodown host an archive of older versions where you can download previous APKs safely if the current Play Store version is incompatible. How to Install Facebook on Android 4.2.2 facebook apk for android 42 2 better 2021
For devices running Android 4.2.2 (Jelly Bean), the standard Facebook app is generally no longer supported as current versions typically require Android 9.0, 11.0, or higher "Unfortunately, Facebook has stopped