Android 4.4.2 devices typically have only 512MB to 1GB of RAM.

: The app is designed to work on devices with as little as 2GB of RAM and handles low-resolution screens with smaller text and buttons.

📲 Install it today & bring your social feed back to life. #FacebookLite #AndroidKitKat #OldPhonesMatter

Download and save the APK of version 393.0.0.31.115 on an SD card. Even if Meta pulls support, you can reinstall that "top" version indefinitely.