I can export for iPad 2 but not for iPad 4, where I have black screen (same iOS!)

Hi,

I have a strange problem with iOS export. I have two iPads for tests: an iPad 2 with iOS 9.2.1 and an iPad 4 (or Air 2) with the last OS (9.2.1). xCode is also the last version (7.2).
The project exports just fine in iPad2, but will give black screen in the iPad 4.

I have two plugins in the project, PowerUI and ExplCamera, but none of them is causing problems, because in the iPad2 everything is fine.

I try to force the resolution to 1024x768 but still, I have a black screen.

I tried...

I can export for iPad 2 but not for iPad 4, where I have black screen (same iOS!)