Whenever he puts the game card in the slot the DSi XL doesn't think it's there (then we give it CPR [blowing in the slot]) and when it does work after CPR it freezes after about 5 minutes of gameplay. He never hacked or cheated on his game. What is wrong?
Most likely the Ds or game card
If you have not already done these things here is a list of things I did
Been researching this and it sounds like:
What has happened is that that Game Card hasn't been kept safe and has suffered any of the following:
Hope this helps