There is no guarantee that the repacked app is sending data only to Facebook servers. Modified code could redirect login credentials, session cookies, and personal messages to a third-party command-and-control (C2) server.
Solution: The repack's token storage library is too old. Go to Settings > Apps > Facebook Lite > Clear Data. Restart. Do not use the "Switch Account" feature; it breaks repacks.
Even if a repack is free of malware, functionality is often limited: facebook lite android 442 repack
In the context of Android applications, a "repack" (repackaged application) refers to an APK (Android Package Kit) that has been decomposed, modified, and recompiled.
Yes, they install as separate packages (different signatures). However, running both will drain battery and memory. There is no guarantee that the repacked app
Clear app data (Settings > Apps > Facebook Lite > Clear Data). If that fails, your repack is incompatible with your device’s GPU drivers. Try a different repack.
Use your phone’s browser. Avoid using unknown shortlinks. Prefer direct downloads from Google Drive, MediaFire (with preview), or GitHub releases. Facebook Lite >
Newer versions of Facebook use modern compression (Brotli) which old CPUs cannot decode quickly. The 4.4.2 repack forces fallback to Gzip compression, saving an additional 15-20% of data compared to running modern Lite on modern hardware.