: If you have never "owned" the app on your account, log into your Apple ID on a friend's newer iPhone (iOS 15+), download Facebook, then delete it. It will now appear in your "Purchased" history on your iOS 12.5.5 device, allowing you to download the older version.
: He typed a quick message, "Old phone, new stories," and swiped to add a vintage filter that matched the phone's age. facebook ipa for ios 1255
Even if you install a Facebook IPA from 2021 (for iOS 12), many of its internal features rely on Graph API endpoints. Facebook routinely shuts down old API versions. You may find that the app installs, but: : If you have never "owned" the app