Despite its "Lite" branding, the app includes almost all essential social functions:
On standard devices, Facebook forces users to download a separate Messenger app to chat with friends. For an Android 4.4.2 device, running two heavy apps simultaneously is nearly impossible. Facebook Lite solves this by keeping a basic, functional version of Messenger directly inside the main Lite app interface. Key Features Maintained in the Lite Version facebook lite android 442
Heavy animations and background processes strain older dual-core or quad-core CPUs. Despite its "Lite" branding, the app includes almost