Here is a guide on how to get Facebook running on Android 5.1, along with the necessary warnings.
Instead of fighting an obsolete app, consider these options: apk facebook android 5.1
The feed populated. It was a strange, haunting sight. There were his friends from college, frozen in time. Photos of bad dinners, vague emotional song lyrics, and check-ins at bowling alleys. No ads cluttering every third inch of screen real estate. No "Like, Haha, Love" reaction emojis—just the simple, honest 'Like' thumb. Here is a guide on how to get Facebook running on Android 5
If you are tech-savvy, custom ROMs like (based on Android 7.1) can be installed on many Lollipop-era phones, allowing you to run newer Facebook versions. However, this voids warranty and risks bricking. There were his friends from college, frozen in time
Instead of an APK, accessing Facebook via a web browser (like Chrome or Opera Mini) is often the most stable way to use the platform on legacy hardware. Third-Party Wrappers: SlimSocial