Windows Mobile 6.1 does not support modern SSL/TLS encryption standards. Most websites and services will reject the connection because it isn't secure.

: Facebook officially removed its apps from the Microsoft Store for mobile devices and ceased all support. Server-Side Incompatibility : Even if you find and install the original

If you are a retro-computing enthusiast and simply want to see the app icon on your device (even if it doesn't work), follow these steps:

Use extreme caution when downloading files from unofficial sources, as they may contain security risks or may no longer connect to Facebook's modern servers. Modern Windows Versions

Before the iPhone turned every screen into a sea of glossy icons, and before Android became a synonym for choice, there was a different kind of smartphone. It required a stylus. It had a Start menu that looked suspiciously like Windows 95. And for a brief, glorious moment, it was the only way many business users could sneak a peek at their News Feed.