Title: How to Install & Use Facebook on Android 4.1.2 (Jelly Bean): The Final Working Guide
Cause: The APK is corrupted, or you downloaded a version built for a newer Android (API level 17+).
Solution: Redownload the file from APKMirror. Ensure the file name ends in .apk and not .bin. Verify the API level in the description. Facebook Apk Android 4.1.2
From Uptodown:
While Android 4.1.2 is largely obsolete by current standards, the availability of specialized Facebook APKs allows older hardware to remain somewhat functional. However, for a stable and secure experience, transitioning to a lightweight browser-based version or utilizing Facebook Lite is generally the more practical route for hardware of this vintage. Title: How to Install & Use Facebook on Android 4