You can find older versions and beta releases of Facebook Lite IPA files on GitHub.
Facebook Lite is still available in specific regions like Turkey or parts of Asia. You can try changing your Apple ID region to one of these countries to download the official app from the App Store . : Facebook Lite Ipa Download Fixed
Option 2: Technical & Compatibility-Focused (Best for older devices) Great fix for older iOS compatibility issues You can find older versions and beta releases