Hi,
i read this in the i9-Forum
If your i9/i9+/i9-3G or any i9 model phone's USB cable has pins [1,9,10,11] active,
then these are the same pinouts as the i68+ model phone and you will need an i68+ flash cable!
and in mysciphoneshop i read this.
*If your working usb cable is 1,9,10,11...