If you must use the full Facebook app, you cannot use the latest version. You need an archaic version.
This is why when you search for "Facebook" on the Google Play Store from your Android 4.2.2 device, you either won't find the app at all, or you'll see a message that the app is "incompatible with your device." This happens even though some sources suggest a minimum of Android 4.0 or 4.4 might have been supported at one time. The key word here is "was." The official, full-featured Facebook app has moved on, and it's not coming back to Jelly Bean. facebookapk for android 422
: Open your "Downloads" folder using a file manager and tap the file to begin installation. Facebook Lite 102.0.0.11.163 (arm-v7a) (Android 4.0+) 9 Jul 2018 — If you must use the full Facebook app,