Complete mtp-detect output added as attachment.
$ mtp-detect | head -41
Device 0 (VID=0502 and PID=374f) is UNKNOWN in libmtp v1.1.11.
Please report this VID/PID and the device model to the libmtp development team
libmtp version: 1.1.11
Listing raw device(s)
Found 1 device(s):
0502:374f @ bus 4, dev 9
Attempting to connect device(s)
Android device detected, assigning default bug flags
USB low-level info:
bcdUSB: 512
bDeviceClass: 0
bDeviceSubClass: 0
bDeviceProtocol: 0
idVendor: 0502
idProduct: 374f
IN endpoint maxpacket: 512 bytes
OUT endpoint maxpacket: 512 bytes
Raw device info:
Bus location: 4
Device number: 9
Device entry info:
Vendor: (null)
Vendor id: 0x0502
Product: (null)
Vendor id: 0x374f
Device flags: 0x18008106
Configuration 0, interface 0, altsetting 0:
Interface description contains the string "MTP"
Device recognized as MTP, no further probing.
Device info:
Manufacturer: Acer
Model: Z220
Device version: 1.0
Serial number: 531003971414
Vendor extension ID: 0x00000006
Vendor extension description: microsoft.com: 1.0; android.com: 1.0;
Detected object size: 64 bits
Extensions:
microsoft.com: 1.0
android.com: 1.0
Anonymous
added to git for 1.1.13 release, thanks!