This version is considered "legacy" now, but at the time, it introduced several core features that laid the groundwork for the modern app.
Instalar y probar en red segura; monitorizar comportamiento (uso de datos, procesos en segundo plano). facebook para android 5.1 9 apk
Since "Android 5.1" refers to the operating system version rather than the Facebook app version, you are likely looking for a version of Facebook compatible with older devices (Lollipop). This version is considered "legacy" now, but at
Search on APKMirror for "Facebook" and filter by "Minimum Android Version: Android 5.1 (Lollipop, API 22)." Recommended builds: This version is considered "legacy" now