Since you cannot use the Play Store, you must allow installation from "Unknown Sources."
Use reputable sites like APKMirror to find older versions of Facebook. Look for versions released around 2015-2017, as these are more likely to work with Jelly Bean. Download Facebook For Android 4.1.2 BEST
, the standard Facebook app from the Play Store likely won't work, but there are several reliable ways to get back on your timeline. 1. The Best Choice: Facebook Lite For older hardware, Facebook Lite Since you cannot use the Play Store, you
Before downloading Facebook, ensure your device meets the minimum system requirements: Facebook Lite Before downloading Facebook