Important assumptions made:

Warning: Jailbreaking voids Apple's security protocols and can occasionally cause device instability. This path is only recommended for advanced users who know how to back up and restore their devices. When is it time to upgrade?

He tried to download a screen recorder. The phone froze.

A cold knot tightened in his stomach. He went to the settings. There was no "About" section. Instead, there was a single toggle:

Because iOS is a "walled garden," you cannot simply download an IPA file and tap it to install. You must use a process called sideloading using tools like or Sideloadly .