I can translate what s/he asked you into English, and have more to say:
First, I would like to let you know that there are many potential buyers of balckberry devices. However, unlike apple iphones, all BB devices do not pass the Japanese version of FCC, which is called "giteki." Using devices without the certificate in Japan means you are breaking the Japanese law. The outcome is either paying the fine of 1,000,000 yen or choosing an year-long imprisonment, if I remember correctly. This law will be modified for foreign visitors in April 2015, but not for the Japanese yet. If BB successfully gets the certificate, I bet that lots of Japanese BB fans will purchase sim free z30, z10, Q10, passport, ......
I purchased BB z30 sta100-2, but can't install a Japanese sim into it. I can use it only on home wifi or in other countries. We Japanese BB fans wait for the day to come when BB corporation will set forth a more serious global business strategy. Thanks.