Here’s a clear, informative text about , suitable for a blog, forum post, or help article. YouTube APK for Android 5.1.1: How to Keep Watching on Older Devices Android 5.1.1 (Lollipop) was a fantastic operating system in its day, but if you’re still using a device running it, you’ve likely noticed a problem: the official YouTube app from the Google Play Store no longer supports your device.