Android landscape not rendering correcly

Hi, my landscape looks just fine in the editor:

But it looks like this on an actual device:

What could be causing this issue? Anyone had this problem?

My material (i highly doubt that the problem is the material but who knows):

The issue was the material actually, some math instructions do not run correctly on mobile. If you have a similar problem you have to find a way to force all your shader math to run on vertex, not on pixel.