Why do I have to update my iPhone to iOS 13.4 to use this app?
you must update to iOS 13.4 in order to download and use this application. what happened and why?
[Re-Titled by Moderator]
iPhone SE, iOS 13
Question marked as
Because the app developer (Meta) has chosen not to support any version of iOS older than 13.4. That means you need an iPhone 6S or newer.