Is it possible to fade out the iOS launch screen / launch image?

I'm running into trouble with the iOS launch screen.

I'm on Unity Plus. I've disabled the Unity logo at launch and put in my own custom launch screen.

Now, the only question is, how do I fade out the launch screen smoothly? I'd like to fade my launch screen to black, then fade in with my first scene. So far I haven't found any solutions.

I tried making my first scene a replica of the launch screen, then fading that out. This works great for one device resolution. The problem arises when trying to accommodate different device resolutions. Since the launch image is slightly different at each resolution, a potential fix is setting the image in the first scene programmatically depending on the device.

I suppose I could write a large if statement to check for all the different iOS devices individually (and when I port to Android, all of those devices too), but this is sloppy and prone to error so I'm sure there must be a better way.

I feel like this must be a common problem but I haven't found any solutions in my searching. No biggie, I just want to fade the launch screen to black... Any help appreciated!