Because you are installing an app from outside the Google Play Store, you must adjust your device's security settings. Follow these steps: Step 1: Enable Unknown Sources Open the menu on your Android 4.4.2 device.
Many users prefer older versions because they lack the clutter of modern updates, focusing primarily on status updates, photos, and direct feed navigation.
Because you are installing an app from outside the Google Play Store, you must adjust your security settings to allow sideloading. Follow these steps to install the old version safely: Step 1: Enable Unknown Sources Open the menu on your Android 4.4.2 device.
Go to Settings > Apps > Facebook and click Uninstall . You must completely remove any existing remnants of the app before installing an older APK. The App Immediately Crashes After Opening
Versions older than v50 may lack security updates and current chat features, while versions newer than v110 may force-close on Android 4.4.2.
This occurs if the APK file is corrupted during download, or if you downloaded a version that requires a minimum of Android 5.0 (Lollipop) or higher. Delete the file, double-check that the target SDK is API 19 (Android 4.4), and download it again. "Login Failed" or "Connection Error"
If you are looking to install a version compatible with KitKat, the following options are your best bet:
Open your device's mobile browser (such as Chrome or the stock Android browser). Navigate to APKMirror or APKPure.
You will lose access to modern platform features such as Facebook Reels, updated marketplace layouts, advanced dark mode settings, and modern emoji sets.
Fortunately, many users find that older versions of Facebook not only work smoothly on KitKat but actually perform better than newer versions would — they‘re leaner, consume less RAM, and lack some of the heavier features that slow down older hardware.
Download Facebook version 449.0.0.44.115 from a trusted APK source like APKPure — it has a minimum requirement of Android 4.0.3 and offers a modern interface that still works on KitKat.