: Press "Get" on that device so the app is added to your account's purchase history.
Steps
To download Facebook on a device running (such as an iPhone 5S, 6, or 6 Plus), you cannot install the latest version directly from the App Store because Facebook now requires iOS 13.4 or later . Download Facebook Ios 12-5-7
The App Store only offered a grayed-out button: “Requires iOS 14.0 or later.” : Press "Get" on that device so the
: Older hardware can struggle with large app downloads over cellular data. Connect to a stable Wi-Fi network before starting. Connect to a stable Wi-Fi network before starting
through Safari. You can add this to your home screen by tapping the button in Safari and selecting Add to Home Screen clearing storage space to make room for the app? Download Facebook For IPhone 6 (iOS 12.5.7): Old Version
Log in to your Apple ID on a newer iPhone or iPad that can run the latest version of Facebook.