: Sign in with your Apple ID on an iPhone or iPad running iOS 13 or later.
: Open the App Store on your older device, tap your profile icon, and go to the Purchased section. Download Facebook Ios 12-5-7
If the app remains incompatible or crashes frequently, you can still access all social features through a browser: : Sign in with your Apple ID on
: Locate and download the Facebook App on that newer device. tap your profile icon
If you have never downloaded Facebook before on your Apple ID, you may need a second, newer device to "purchase" the app first so it appears in your account history.