Game runs fine on Emulator but not on device

Hello! Recently, I ported my game to Windows Phone and it’s running smoothly on the Phone Emulator, in all its resolutions. However, after I sent it for review, I received an e-mail from the Windows Phone Dev Center stating that they installed my build onto their phone and heard the background sounds but it’s just an all black screen.

I’m not sure what could be causing this issue, the only thing that comes to my mind is that I opted out of low-memory devices with the “ID_REQ_MEMORY_300” entry in the manifest.

Could you point me in the right direction please?

Without testing on actual device, there’s not much you can do…

Only by testing on real device, you can see something in the log, which might point you to the problem.

Thank you for answering.

I tested my game using the RDA service on the Nokia site and it turns out the loading screen wasn’t removing after the game was loaded.

I double-checked my loading screen code, which I copied from the Windows Phone porting example, but nothing seems amiss; it works as it should on the emulator but it doesn’t on the device.

Any idea of what I could be doing wrong?