Hi, Two days ago I received the R4i deluxe just fine. So, I went to the site R4ids.cn to download the firmware and start playing backups of 3DS. All was fine, I started a game, Mario Kart 7, and after playing like 5 or 10 minutes, the game just freeze, without showing any error having to holding the button power and restart the 3DS. It freeze particularly when the game is loadind a level, in some case it happened when I completed a level. Ok, I thought may be is the micro sd that have a slow write/read processing, and I tried 2 others micro sd, one 8gb class 10 and other 4gb class 4, but it still freeze. I tried another game, Mario Land 3D, but same problem. I even tried the R4i deluxe in an other 3DS, but the problem still persist. I started a web search, and I found that many people are having the same troubles particularly with this R4i deluxe, concluding that may be my r4i deluxe is defective. Can you help me please? cheers.