Tienes que usar el A2Uploader
Pasa por aqui :
http://www.topsony.com/forum_es/a2uploader-f136/a2uploader-t111129.html

http://www.topsony.com/forum_es/a2uploader-f136/a2tool-personaliza-flashea-y-parcha-tu-a2-db3150-db3210-t88838.html
Saludos!