Device 0 (VID=0421 and PID=0155) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
Error 2: PTP Layer error 02ff: get_all_metadata_fast(): could not get proplist of all objects.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: get_handles_recursively(): could not get object handles.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: get_handles_recursively(): could not get object handles.
Error 2: (Look this up in ptp.h for an explanation.)
libmtp version: 0.3.6

Listing raw device(s)
   Found 1 device(s):
   0421:0155 @ bus 0, dev 14
Attempting to connect device(s)
USB low-level info:
   Using kernel interface "usbfs"
   bcdUSB: 512
   bDeviceClass: 255
   bDeviceSubClass: 0
   bDeviceProtocol: 0
   idVendor: 0421
   idProduct: 0155
   IN endpoint maxpacket: 512 bytes
   OUT endpoint maxpacket: 512 bytes
   Raw device info:
      Bus location: 0
      Device number: 14
      Device entry info:
         Vendor: (null)
         Vendor id: 0x0421
         Product: (null)
         Vendor id: 0x0155
         Device flags: 0x00000000
Configuration 0, interface 0, altsetting 0:
   Interface description contains the string "MTP"
   Device recognized as MTP, no further probing.
Device info:
   Manufacturer: Nokia
   Model: 5800 XpressMusic
   Device version: 01
   Serial number: 354183023422153
   Vendor extension ID: 0x00000006
   Vendor extension description: microsoft.com:1.0;microsoft.com/WMPPD: 11.0;microsoft.com/WMDRMPD: 10.1;vodafone.com/omadrmv2: 1.0
   Detected object size: 64 bits
Supported operations:
   1001: get device info
   1002: Open session
   1003: Close session
   1004: Get storage IDs
   1005: Get storage info
   1006: Get number of objects
   1007: Get object handles
   1008: Get object info
   1009: Get object
   100b: Delete object
   100c: Send object info
   100d: Send object
   1010: Reset device
   1014: Get device property description
   1015: Get device property value
   1016: Set device property value
   9801: Get object properties supported
   9802: Get object property description
   9803: Get object property value
   9804: Set object property value
   9810: Get object references
   9811: Set object references
   9805: Get object property list
   9806: Set object property list
   9807: Get interdependent property description
   9201: Report Added/Deleted Items
   9202: Report Acquired Items
   9203: Get transferable playlist types
   9103: Set license response
   9104: Get sync list
   9105: Send meter challenge query
   9106: Get meter challenge
   9107: Get meter response
   9108: Clean data store
   9109: Get license state
   910a: Send WMDRM-PD Command
   910b: Send WMDRM-PD Request
Events supported:
   0x400a
   0x4004
   0x4005
   0x4003
Device Properties Supported:
   0xd401: Synchronization Partner
   0xd402: Friendly Device Name
   0xd404: Unknown property
   0xd102: Device Certificate
   0xd406: Unknown property
Playable File (Object) Types and Object Properties Supported:
   3000: Undefined Type
   3001: Association/Directory
   b903: AAC
   b982: MP4
   3009: MP3
   b984: 3GP
   b004: Unknown(b004)
   b982: MP4
   b901: WMA
   300c: ASF
   b981: WMV
   ba11: M3U Playlist
   ba05: Abstract Audio Video Playlist
   3008: MS Wave
Storage Devices:
   StorageID: 0x00040001
      StorageType: 0x0004 removable RAM storage
      FilesystemType: 0x0002 generic hierarchical
      AccessCapability: 0x0000 read/write
      MaxCapacity: 7964983296
      FreeSpaceInBytes: 1893857280
      FreeSpaceInObjects: 908
      StorageDescription: Memory card
      VolumeIdentifier: 3455216610
   StorageID: 0x00020001
      StorageType: 0x0003 fixed RAM storage
      FilesystemType: 0x0002 generic hierarchical
      AccessCapability: 0x0000 read/write
      MaxCapacity: 90251264
      FreeSpaceInBytes: 73989120
      FreeSpaceInObjects: 35
      StorageDescription: Phone memory (NOKIA)
      VolumeIdentifier: 1196836185
Special directories:
   Default music folder: 0x00000000
   Default playlist folder: 0x00000000
   Default picture folder: 0x00000000
   Default video folder: 0x00000000
   Default organizer folder: 0x00000000
   Default zencast folder: 0x00000000
   Default album folder: 0x00000000
   Default text folder: 0x00000000
MTP-specific device properties:
   Friendly name: (NULL)
   Synchronization partner: (NULL)
libmtp supported (playable) filetypes:
   Advanced Audio Coding (AAC)/MPEG-2 Part 7/MPEG-4 Part 3
   MPEG-4 Part 14 Container Format (Audio+Video Empahsis)
   ISO MPEG-1 Audio Layer 3
   MPEG-4 Part 14 Container Format (Audio+VError 2: PTP Layer error 02ff: get_device_unicode_property(): failed to get unicode property.
Error 2: (Look this up in ptp.h for an explanation.)
ERROR: Could not close session!
ideo Empahsis)
   Microsoft Windows Media Audio
   Microsoft Advanced Systems Format
   Microsoft Windows Media Video
   RIFF WAVE file
Unable to acquire device certificate, perhaps this device does not support this
OK.