Well, finally I had to unbrick it…
I followed this topic:
http://community.wd.com/t5/My-Cloud/GUIDE-How-To-Unbrick-your-2TB-3TB-4TB-My-Cloud/td-p/765959
And I used this IMG:
http://community.wd.com/t5/My-Cloud/GUIDE-Debrick-a-completely-dead-MyCloud/td-p/704480
good luck!
