If you open the official YouTube app on Android 5.1.1 today, you will likely see one of these issues: redirect messages. "Error 400" connection failures. Infinite loading spinners that never resolve.
Navigate to the root directory /system/ and locate the build.prop file. app youtube android 511 verified
Once installed, do not update the app through the Google Play Store, or it will stop working again. Troubleshooting: "Check Your Connection" & Login Issues If you open the official YouTube app on Android 5