You installed an IPA built for iOS 13 or 14. Fix: Delete the app. You need an IPA specifically tagged iOS 12 or iOS 12.5.6 .
Before downloading an IPA from the web, try Apple's built-in workaround. If you have previously "purchased" (downloaded) YouTube on your Apple ID using a newer device, you can install a legacy version directly from the App Store. Open the App Store on your iOS 12.5.6 device. youtube ipa for ios 12.5.6
This article will explain exactly what a YouTube IPA is, where to find a safe one for iOS 12.5.6, how to install it without jailbreaking, and how to keep it working. You installed an IPA built for iOS 13 or 14
Official support for the YouTube app on iOS 12.5.6 has ended, as the current version requires or later. However, you can still access YouTube on older devices like the iPhone 6 or iPad mini 3 through several workarounds. Method 1: App Store "Last Compatible Version" Before downloading an IPA from the web, try
Advanced users often look for uYouPlus , a modified IPA that adds features like ad-blocking and background playback, though compatibility with iOS 12 can be hit-or-miss depending on the version. 3. Browser-Based Workaround (No Install Needed)