Device 0 (VID=04e8 and PID=6702) is a Samsung X830 Mobile Phone.
LIBMTP PANIC: Unable to find interface & endpoints of device
Unable to open raw device 0
libmtp version: 1.0.2

Listing raw device(s)
   Found 1 device(s):
   Samsung: X830 Mobile Phone (04e8:6702) @ bus 2, dev 5
Attempting to connect device(s)
OK.