
Assuming 1600x2133 is required, the following result was found.
size an image background should be set to for various screen sizes. Why? A background image I was using was unedited at 1600x2133 (364kb) and was not displaying on smaller devices. Configuring drawables for each layout seemed to be the only solution....

bc1qf6elrdxc968h0k673l2djc9wrpazhqtxw8qqp4
0xb038962F3809b425D661EF5D22294Cf45E02FebF