For years, the saving grace for legacy users was Apple’s "Last Compatible Version" feature. If a user had previously "purchased" (downloaded) Facebook on a newer device using the same Apple ID, they could sometimes trigger a prompt on the old iPad asking: "Download an older version of this app?" The Benefit:
Once the download completes and you tap the icon, you might be surprised by what you see. You are not getting the modern, feature-rich Facebook experience of 2024. You are getting the Facebook of 2012-2014. download facebook for ios 5.1.1 ipad
Apple has a hidden feature in the App Store for legacy devices. If you have previously downloaded Facebook on this iPad (or any other Apple ID account), you can download the last version of Facebook that was built for iOS 5.1.1. For years, the saving grace for legacy users
Because of this, Facebook dropped support for iOS 5 years ago. They stopped updating the compatible version, and eventually, Apple hid these old versions from the standard App Store search results. You are getting the Facebook of 2012-2014