Android 4.4.2 lacks native support for modern cryptographic protocols like TLS 1.3. Over time, this rendered communication with Facebook’s secure modern servers impossible without custom security patches. The Rise of Facebook Lite
As the main Facebook app grew in complexity—integrating autoplay videos, high-resolution image rendering, and background synchronization—it became increasingly "heavy." On Android 4.4.2 devices, users often experienced: Memory Pressure: Facebook For Android 4.4.2