Problem with textures while lounching project with the mobile

Hello everyone. I have a problem with textures in my game when i lounching it with the mobile, so this is how it should be:

and this is how it looks on my mobile:


so as you see walls are invisible, and I don’t know what to do.

Hi Bakalyar,

Please see this documentation, as it outlines what limitations are present when developing for mobile.

Thanks very much!