If you’re looking to change your YouTube banner on your iPhone in 2021, there are a few things you’ll need to do. First, make sure that YouTube is enabled on your device. If it isn’t, you’ll need to enable it through the settings app. Next, find the YouTube banner that you want to change. You can find this information in the bottom left corner of the main screen of YouTube. Once you’ve found it, drag and drop it into the space below. Once everything has been set up correctly, hit save and enjoy your new banner!