If you’ve dusted off an old iPad 2 or iPhone 4S running iOS 9.3.5, you’ve likely seen the dreaded "This application requires iOS 15.0 or later" message. While Netflix has moved on, your hardware hasn't.
can be used to jailbreak, allowing the use of "App Admin" or "Checkmate, Store!" to bypass App Store version restrictions. The Apple Wiki
He didn't need the latest features. He didn't care about spatial audio or interactive trivia. He just wanted to watch Stranger Things on a screen bigger than his phone.