it's a waste of time, I've come back.... to what I had it is possible that they make us break them, to buy the new one! only this is missing.
I installed this firmware on my Z10 and it works like a charm Thank you very much for your work ! (the only think I'd like now is the openWrt working on sleep mode... please... You can do it (or a screen saver wich close hdmi output to begin) )