Do not download . These builds may install, but background processes will crash continuously because they rely on Google Play Services version 21+, which you cannot install on Android 4.4.2.
(Visual: Show the settings screen showing Android Version 4.4.2) Narrator: "Android KitKat is great, but the new Facebook app is just too heavy. It eats your RAM and kills your battery. The solution is to downgrade." facebook old version apk for android 4.4.2