cho minh hoi khi minh flash bang cong FBUS thi minh ko danh dau muc CHANGE ALSO PRODUCT CODE va khi minh nap tieng viet thi minh phai danh dau vao muc CHANGE ALSO PRODUCT CODE co dung ko cac ban ? va cho minh hoi video clip CHANGELANG co phai noi nom na la nap tieng viet ko ?