> How can I disconnect the "undefined" device, so I can successfully flash the > Neo?
Try physically disconnecting whatever the device is, also do you have any internal devices connected to an internal usb socket?. >Found Runtime: [0x1457:0x5119] devnum=15, cfg=0, intf=2, alt=0, name="USB >Device Firmware Upgrade" If that does'nt work try dfu-util --device 0x1457:0x5119 to tell dfu what device to use

