The device has a Microsoft device descriptor, but it's not MTP.
This is not an MTP device. Presumable it is USB mass storage
with some additional Janus (DRM) support.
Device response to control message 1:
	fffffff0: 6a00 0000 0001 0400 0100 0000 0000 0000	j...............
	0000: 0001 4d00 0000 5400 0000 5000 0000 0000	..M...T...P.....
	0010: 0000 0000 0000 0000 0000 0000 0000 0000	................
	0020: 0000 0000 0000 0000 0000 0000 0000 0000	................
	0030: 0000 0000 0000 0000 0000 0000 0000 0000	................
	0040: 0000 0000 0000 0000 0000 0000 0000 0000	................
	0050: 0000 0000 0000 0000 0000               	..........
Found non-autodetected device "Samsung YH-999 Portable Media Center" on USB bus...
Connected to MTP device.
USB low-level info:
   Using kernel interface "usbfs"
   bcdUSB: 272
   bDeviceClass: 0
   bDeviceSubClass: 0
   bDeviceProtocol: 0
   idVendor: 04e8
   idProduct: 5a0f
   IN endpoint maxpacket: 64 bytes
   OUT endpoint maxpacket: 64 bytes
   Device flags: 0x00000000
Device info:
   Manufacturer: SAMSUNG Electronics Co. Ltd. 
   Model: SGH-A707
   Device version: A707UCFJ5
   Serial number: 353777015294230
   Vendor extension ID: 0x00000006
   Vendor extension description: microsoft.com/WMDRMPD: 10.1
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
   100f: Format storage
   1014: Get device property description
   1015: Get device property value
   1016: Set device property value
   101b: Get partial object
   9810: Get object references
   9811: Set object references
   9802: Get object property description
   9801: Get object properties supported
   9803: Get object property value
   9804: Set object property value
   9805: Get object property list
   9806: Set object property list
   9201: Report Added/Deleted Items
   1011: Self test device
   1012: Set object protection
   1017: Reset device property value
   1019: Move object
   101a: Copy object
   9808: Send object property list
   9001: Unknown(9001)
   9100: Unknown(9100)
   9101: Get secure time challenge
   9102: Get secure time response
   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:
   0x4001
   0x4004
   0x4005
Device Properties Supported:
   0xd401: Synchronization Partner
   0xd402: Device Friendly Name
   0xd101: Secure Time
   0xd102: Device Certificate
Playable File (Object) Types and Object Properties Supported:
   3009: MP3
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
      dc46: Artist
      dc89: Duration
      dc8a: Rating
      dc8b: Track
      dc8c: Genre
      dc97: EffectiveRating
      dc99: OriginalReleaseDate
      dc9a: AlbumName
      de93: SampleRate
      de94: NumberOfChannels
      de99: AudioWAVECodec
      de9a: AudioBitRate
      dc91: UseCount
      de92: BitRateType
      dc9b: AlbumArtist
   b901: WMA
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
      dc46: Artist
      dc89: Duration
      dc8a: Rating
      dc8b: Track
      dc8c: Genre
      dc97: EffectiveRating
      dc99: OriginalReleaseDate
      dc9a: AlbumName
      de93: SampleRate
      de94: NumberOfChannels
      de99: AudioWAVECodec
      de9a: AudioBitRate
      dc91: UseCount
      de92: BitRateType
      dc9b: AlbumArtist
   b981: WMV
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
      dc87: Width
      dc88: Height
      dc8c: Genre
      dc91: UseCount
      dc99: OriginalReleaseDate
      de93: SampleRate
      de94: NumberOfChannels
      de97: ScanDepth
      de99: AudioWAVECodec
      de9a: AudioBitRate
      de9b: VideoFourCCCodec
      de9c: VideoBitRate
      de9d: FramesPerThousandSeconds
      de9e: KeyFrameDistance
   3801: JPEG
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
      dc46: Artist
      dc8c: Genre
      dc9b: AlbumArtist
      dc87: Width
      dc88: Height
   3001: Association/Directory
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
   ba05: Abstract Audio Video Playlist
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
   3000: Undefined Type
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
   3807: GIF
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
      dc46: Artist
      dc8c: Genre
      dc9b: AlbumArtist
      dc87: Width
      dc88: Height
   300c: ASF
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
      dc87: Width
      dc88: Height
      dc8c: Genre
      dc91: UseCount
      dc99: OriginalReleaseDate
      de93: SampleRate
      de94: NumberOfChannels
      de97: ScanDepth
      de99: AudioWAVECodec
      de9a: AudioBitRate
      de9b: VideoFourCCCodec
      de9c: VideoBitRate
      de9d: FramesPerThousandSeconds
      de9e: KeyFrameDistance
   ba03: Abstract Audio Album
      dc01: StorageID
      dc02: ObjectFormat
      dc03: ProtectionStatus
      dc04: ObjectSize
      dc07: ObjectFileName
      dc0b: ParentObject
      dc41: PersistantUniqueObjectIdentifier
      dc4f: NonConsumable
      dc09: DateModified
      dc44: Name
      dc05: AssociationType
      dc08: DateCreated
      dc46: Artist
      dc8c: Genre
      dc9b: AlbumArtist
      dc87: Width
      dc88: Height
Storage Devices:
   StorageID: 0x00010001
      StorageType: 0x0003
      FilesystemType: 0x0002
      AccessCapability: 0x0000
      MaxCapacity: 54198272
      FreeSpaceInBytes: 4134912
      FreeSpaceInObjects: 4294967295
      StorageDescription: Phone
      VolumeIdentifier: 353777015294230
Special directories:
   Default music folder: 0x00000035
   Default playlist folder: 0x00000000
   Default picture folder: 0x00000000
   Default video folder: 0x00000000
   Default organizer folder: 0x00000000
   Default zencast folder: 0x00000000
   Default album folder: 0x00000036
   Default text folder: 0x00000000
MTP-specific device properties:
   Friendly name: SGH-A707
   Synchronization partner: Longhorn Sync Engine
libmtp supported (playable) filetypes:
   ISO MPEG-1 Audio Layer 3
   Microsoft Windows Media Audio
   Microsoft Windows Media Video
   JPEG file
   GIF bitmap file
   Microsoft Advanced Systems Format

Secure Time:
0030723T193600.

Device Certificate:
?xml version="1.0" encoding="unicode" ?> <Test> <Description> Faked device certificate </Description> </Test
OK.