Modern "new" versions of Facebook Lite (typically builds starting with version 400+) often require Android 5.0 (Lollipop)
: On older versions of Android, you may experience longer loading times as the app does not preload heavy media like high-resolution photos. How to Install on Older Devices If you cannot find the app on the Google Play Store due to device age, you can manually install the : Find a reputable source like to download a version compatible with Android 4.0+ Permissions Settings > Security on your device and enable "Unknown Sources" to allow the installation of downloaded APK files.