: Tap the Share icon (square with an up arrow) and select Add to Home Screen to create a shortcut that works like an app icon. Important Limitations
The official Facebook app currently requires iOS 13.4 or later download facebook ios 1257 updated
: If you have never downloaded Facebook on your account, sign in with your Apple ID on a newer iPhone (running iOS 13+). Download the app there first. Once it's in your "Purchased" history, return to your iOS 12.5.7 device and follow the step above to get the older version. Use the Web Version : Tap the Share icon (square with an
If you are looking for any older version compatible with an older device (like an iPhone 5 running iOS 10): Once it's in your "Purchased" history, return to your iOS 12
The most reliable way to get Facebook on iOS 12.5.7 is to leverage your Apple ID purchase history