Because the official Facebook app now requires Android 6.0 or higher, users on Android 5.1 (Lollipop) should utilize Facebook Lite or download older, archived APK versions. For enhanced security and stability on older devices, using the mobile website (m.facebook.com) via a browser is the recommended alternative to app-based solutions. For more information on supported operating systems, visit Facebook Help. How to Update Facebook on iPhone & Android
Step 3: Tap Install → Open.
This gives you notifications, chat, and news feed without installing anything. apk facebook android 5.1
To run Facebook on a device running Android 5.1 (Lollipop), you must use older versions of the app or the "Lite" version, as the current standard Facebook app requires Android 6.0 or higher [24]. Recommended APK Options Because the official Facebook app now requires Android 6
Facebook (Standard): This is the full-featured app. However, on Android 5.1 devices—which often have limited RAM and older processors—the standard app may cause significant lag, crashes, or battery drain. Go to Settings → Security (or Privacy on some devices)
Enable Unknown Sources: Go to Settings > Security and toggle on "Unknown Sources." This allows you to install apps from outside the Play Store.
Here are some tips and tricks to keep in mind when downloading and installing APK Facebook on Android 5.1: