Reproduction steps:
1. Open the attached project
2. Build for UWP
3. Deploy to Windows Phone 10
4. Player will crash in a while with the following output:

Exception thrown at 0x7766E243 in Doll PBS.exe: Microsoft C++ exception: _com_error at memory location 0x056FF408.
d3d11: failed to create 2D texture shader resource view id=126 [D3D error was 80070057]
(Filename: C:\buildslave\unity\build\Runtime/GfxDevice/d3d11/TexturesD3D11.cpp Line: 521)
Exception thrown at 0x088FB743 in Doll PBS.exe: 0xC0000005: Access violation reading location 0x00000000.

Reproducible with 5.5.0b1 and 5.6.0b10

Reproducible on: Nokia Lumia 920, 1320
Not reproducible on Nokia Lumia 1520

Reproducible on both WP8.1 and WP10