Vulkan and S8!

I use the launcher version of UE4.16, and opened Vulkan and ES2, while Minimum SDK and Target SDK Version is set to 19. and the SDKAPI Level and NDK SDK Level is the latest version of matchndk and android-19.CodeWorks to download.
But after the package to S8, the operation is black screen, how to solve? I opened the plane reflection function