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" ?> Faked device certificate