downloading the official Facebook app for Windows Mobile 6.1 is no longer possible through primary channels
While the original .cab installation files may still exist in unofficial web archives, the app itself will not connect to Facebook's modern servers even if successfully installed. Recommended Alternative: Mobile Browser download facebook for windows mobile version 6.1
During its peak, users didn't use a modern "App Store." Instead, they accessed it via: Direct URL : Users were directed to www.windowsmobile.com/facebook to download the installer directly. Mobile Web downloading the official Facebook app for Windows Mobile 6
file, the app likely won't work. The modern Facebook API has changed significantly since Windows Mobile 6.1 was active, meaning the app cannot communicate with Facebook's current servers. Browser Access download facebook for windows mobile version 6.1