Hacking Multi-card Play Problem

[Rares101]

Hello, I have a real R4DS and my brother has an R4DS Ultra...
a lot of games don't work in Multi-card Play...

The only ones that work are-
pokemon,fifa,zelda and mario kart

Thanks...

 

[Thoob]

Well, what's an example of some that don't work? Then we can maybe help you more.

 

[Rares101]

Games that don't work

WWE svr 2010
don king boxing
nfs carbon
nfs mw