I read on one of the Apple discussion threads that you can type the code into the password field, right after your password and without using any spaces. Some posters there say it works. I don't use Game Center but I'm assuming there's an Apple login on there somewhere. – fsb Jan 1 '17 at 7:01

Can't Connect to App Store on iPhone and iPad? - iGeeksBlog Jul 10, 2020 iTunes - Apple Some third-party visualizers may no longer be compatible with this version of iTunes. Please contact the developer for an updated visualizer that is compatible with iTunes 12.1 or later. Apple Music, iTunes Store, and iTunes Match availability may vary by country; Apple Music trial requires sign-up and is available for new subscribers only. iPhones: Cannot connect to App Store (or Itunes Store): 7

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