How to Download the Youtube app on Older iPad (ios 9.3.5) (NO HACKING)

Apps sideloaded with a free developer account must be re-installed every 7 days. 3. The Safari Web Shortcut (Most Reliable)

Getting the to work on older devices like the iPad 2, iPad Mini 1, or iPhone 4S running iOS 9.3.5 can be tricky because the official App Store no longer supports these versions. However, you can still revive your legacy device using several workarounds, ranging from downloading the "last compatible version" to advanced jailbreak modifications.

Use a privacy-friendly YouTube front-end like Invidious. These sites are lightweight and work perfectly on older WebKit browsers found in iOS 9.