First, let's quickly cover why you're getting that frustrating message: This isn't an error. Because Google constantly adds new features and security updates, they eventually stop supporting older operating systems to build the best experience for modern devices. iOS 12.5.7 devices are powerful, but they've been left behind, leading many to search for how to run the YouTube app anyway.
Return to your , go to App Store > Purchased , and follow the steps in Method 1 to download the older version. install youtube ios 1257
These modded versions often support older versions of iOS that the official app has abandoned. However, they are not official releases, so you use them at your own risk. Always download from reputable GitHub repositories. First, let's quickly cover why you're getting that