my friend has a 3ds with Gateway. his blue card stopped working. he has the 7.2.0 software version,and his 3ds is from Europe region. 1>is there any common issuse that maybe caused it? 2>do he has to buy a new one or is it possible to use another 3ds card like "TTDSi" to set up gateway? 3>his 3ds shows black screen when he enters the gateway site to boot the gateway mode. he uses the 3.11 version of gateway. he putted the right files into the right places. what canbe the cause?