To install YouTube on iOS 10.3.4, you must either download an older compatible version through the App Store or sideload an IPA file using a tool like Sideloadly or AltStore. Because the official YouTube app now requires iOS 16 or later, running it on legacy hardware often requires additional tweaks to bypass "Update Required" messages. Methods to Install YouTube on iOS 10.3.4 How To Install Ipa File On Iphone Sideloadly (Best Method)

Connect Device: Plug your iPhone 5 or iPad into your PC/Mac.

Method 2: Installing YouTube IPA File using AltStore

Installing the YouTube app on a legacy device like an iPhone 5 or 5C running iOS 10.3.4 is challenging because the official app now requires iOS 16.0 or later. While you can find .ipa files online, simply installing them often leads to a "Loading... Tap to retry" error because Google has retired the older API versions those apps used.