Doesnt matter. You can do the update in an alternative way. How this works I have described HERE
But contrary to the firmware 3.5.1 (Downgrade) described there you take the current Firmware 3.6.1.7
Good luck 
Doesnt matter. You can do the update in an alternative way. How this works I have described HERE
But contrary to the firmware 3.5.1 (Downgrade) described there you take the current Firmware 3.6.1.7
Good luck