[4.2 version] Black screen on Sony Xperia ZL and Mobile Preview in Editor

Hi everyone! I’m trying to move the project on android.

How look on PC:

And my smartphone and Mobile Preview:

What’s the problem? When compiling no errors and I use format ETC1. Can you help me? Thanks in advance

The problem is UE4 mobile does not support dynamic lights, shadows or objects. One workaround i did was to make all materials Unlit and change BaseColor input to Emissive.

This is how it looks now (Mobile Preview):