Finding a functional version of the official Facebook app can be a challenge if you are running a legacy device powered by Android 4.1.2 Jelly Bean. As the social media platform updates its software, older operating systems lose official support.
Facebook periodically shuts down backend servers that support older application versions. Eventually, a legacy APK may stop loading feeds entirely. facebook apk for android 412
While using an older APK file can bring functionality back to an old device, you should keep the following risks in mind: Finding a functional version of the official Facebook