If your device is jailbroken, installing AppSync Unified from the Cydia repo allows you to install IPAs directly without worrying about digital signatures. 4. Bypassing the "Update Required" Error

Once you have the IPA file on your computer, you need a way to move it to your iPhone or iPad.

This is widely considered the last officially compatible version for iOS 7.

Even if you successfully install the app, it might immediately tell you to update. To fix this:

Trying to get YouTube running on a device with iOS 7.1.2, like an iPhone 4, can be a bit of a challenge. Because Google no longer officially supports such an old operating system, the modern app won't even show up in your App Store updates.

You can use tools like the AltStore to sign and install the IPA using your Apple ID.

A dedicated hub for legacy Apple enthusiasts where users often share vetted IPA files for iOS 7. 3. How to Install (Sideloading)

However, you can still get it working using specific legacy files and techniques. Here is everything you need to know about finding and installing a . 1. Identify the Right YouTube Version

If all else fails, use Safari. You can navigate to m.youtube.com and use the "Add to Home Screen" feature to create a shortcut that acts like a web-app.

An even older "classic" version often found on sites like the Internet Archive . 2. Where to Download the IPA