So, is your iPhone 5 destined to become a paperweight? Absolutely not. This is where the enters the chat.

If you have a jailbreak, do it. If you don't, use the Safari Web App. But if you love the thrill of sideloading, grab that IPA, fire up Sideloadly, and tell the App Store "No thank you" – you’re keeping your old iPhone alive. Have you successfully installed YouTube on an iPhone 5 running 10.3.4? Share your experience in the comments below (if you can get the comment section to load).

When Apple removes an app version from their servers, your device cannot magically fetch an old copy. However, users and archivists have saved these older IPA files. For iOS 10.3.4, you cannot use the latest YouTube IPA (v19.x). Those are compiled for iOS 15+ and use APIs that your legacy device doesn't understand. Trying to install a modern IPA will result in a "Firmware Mismatch" or "Invalid Executable" error.

Julie

I believe in easy and fun activities that children should enjoy along with their families without being stressful. We are committed to bringing you simple, fun activities, printables and more that your kids will enjoy and so you will.