N800 has stopped working at some point, not sure why:
$ 0xFFFF -I
[...]
Waiting for USB device...
Found USB device: SU-18/RX-44/RX-48/RX-51/RM-680 (0x421:0x105) in NOLO mode
USB device product string: Nokia N800 (Update mode)
USB device serial number string: (not detected)
Detected USB device: RX-34
Error: Device mishmash
Add the device to 0421:0105 list, and it works again:
Waiting for USB device...
Found USB device: SU-18/RX-34/RX-44/RX-48/RX-51/RM-680 (0x421:0x105) in NOLO mode
USB device product string: Nokia N800 (Update mode)
USB device serial number string: (not detected)
Detected USB device: RX-34
Initializing NOLO...
Device: RX-34
[...]