Open your device's folder or use a File Manager app. Tap on the downloaded .apk file. Review the application permissions requested on the screen.
Check the box that says (allow installation of apps from unknown sources). Download the APK: Open your old device's browser and go to APKMirror.
Facebook Lite is a stripped-down version of Facebook that uses only 2–5 MB of storage (compared to 50+ MB for the main app). It is designed specifically for 2G networks, low RAM devices, and older Android versions – including Android 4.1.2. Facebook Apk Android 4.1.2
The APK is meant for a newer Android version. Download a lower version number.
An existing version of Facebook is conflicting with the download. Uninstall all factory-default Facebook apps before installing the APK. Open your device's folder or use a File Manager app
Facebook Lite is a more lightweight version of the app and might offer a better experience on older devices.
: Some older versions of Facebook Lite have historically supported systems as far back as Android 4.0. Check the box that says (allow installation of
offer legacy versions of the full app, with v281.x being among the last to support Android 4.1. Find compatible Facebook Lite versions at Does Facebook still work on Android 4? : r/androidafterlife