I just received an Acekard2 ver2.1 from zeroshipping (who I thought was an approved Acekard vendor). I bought the Acecard to replace my R4i because I heard it works better. My DS is a DS Lite. I have come to the conclusion that either the Acekard2 I bought is a clone, or it is defective. I have followed the instructions posted here to the letter. I did not skip any steps. I tried using AKAIO 1.5, AKAIO 1.51, Acekard Official Version 4.21 RPG I tried three different MicroSD's (all of which work in my R4i just fine). And yes, I formatted the microsd's with Panasonic from here. I also did not copy any game saves. No matter what I try, I cannot get past the opening screen on most every game I try. For example, NeedForSpeed2, it freezes just before before the "Touch Screen to Start" screen. Before I send this thing back to zeroshipping in China, is there anything else I should do? My concern is, if this is what they are shipping from this place, I'd rather have another R4i for a backup.