On your iPhone, go to Settings > General > VPN & Device Management and "Trust" your Apple ID profile. Risks and Considerations
Legacy Device Compatibility: Newer versions of YouTube often require iOS 14 or higher. For users with an iPhone 6 or older iPad stuck on iOS 12, version 15.02.1 is often the last "modern" version that runs smoothly without crashing.Classic UI Layout: Many users prefer the user interface (UI) of the 15.x series, which lacks some of the aggressive Shorts integration found in current builds.Compatibility with Tweaks: This version is a "sweet spot" for jailbreak tweaks and sideloading tools like Cercube or YouTube++, which offer background play and ad-blocking features. How to Download the YouTube 15.02.1 IPA Youtube 15.02.1 Ipa Download
Click "Start." Once the process finishes, the app will appear on your home screen. On your iPhone, go to Settings > General