Here are a couple of phone and desktop wallpapers I created for @GrindelwaldSparrow, who is a fan of Grindelwald obviously...

Out of two phone wallpapers I designed, I wasn't sure which one you wanted so I put both on display! Just tell me which one you want, or if you want both.

Phone wallpaper—

Or this one—

Next, the desktop wallpaper—

Let me know if you require any editing!