Running the official YouTube app on an is no longer officially supported, as the app now requires iOS 16 or later to function . However, you can still access YouTube using several workarounds. Method 1: Safari Web Browser (Recommended)

Apps like "Perfect Tube" or "Pro Tubex" used to be excellent alternatives for iOS 7. You can try searching for these in the "Purchased" section of the App Store (similar to Method 1), but even these are slowly losing server connectivity as Google updates their systems.

On an iPhone 4 with 512MB RAM, desktop YouTube is slow but functional. Watch videos at 360p. Do not attempt 720p.