[UE4-27], [Android]Launching to Android, Black Screen but ui displays and is functional

I have a Samsung Galaxy Tab A and I am running unreal 4.27. the project launches to the tablet, i can click the ui buttons and they play the animations setup for them, however everything in the scene is completely black. This has been driving me crazy for three days, why the ■■■■ is this happening how do i fix this?

您好,您现在这个问题解决了嘛,我也遇到了同样的问题,希望和您交流一下。