Editing Media Transfer Protocol (section)

==MTP support==

===Windows===
==== Adoption in Windows ====
MTP is supported in [[Windows XP]] if [[Windows Media Player]] 10 or later versions are installed. [[Windows Vista]] and later have MTP support built in. For older versions of Windows, specifically, Windows 2000, Windows 98 and Windows Me, Microsoft has released the MTP Porting Kit.<ref>{{cite web|url=https://www.microsoft.com/en-us/download/details.aspx?id=19153|title=Media Transfer Protocol Porting Kit|publisher=Microsoft|access-date=June 1, 2016|archive-date=June 8, 2016|archive-url=https://web.archive.org/web/20160608225041/http://www.microsoft.com/en-us/download/details.aspx?id=19153|url-status=live}}</ref> which contains a MTP device driver. Some manufacturers, such as [[Creative Technology]], also provide legacy MTP drivers for some of their players; these usually consist of MTP Porting Kit files with a customized INF file describing their specific players.{{Citation needed|date=November 2009}}

==== Support by software ====
Windows does not assign [[drive letter assignment|drive letters]] or [[Universal Naming Convention|UNC]] pathnames to devices connected via MTP; instead, they only appear as named devices in MTP-aware applications such as [[Windows Explorer]]. Compared to devices that implement USB mass storage, such devices cannot be accessed programmatically by scripts or normal Windows programs that depend on drive letters or UNC paths. Instead, files must be manipulated using Windows Explorer or applications with specially written MTP support.

Under Windows, MTP-compatible devices support a feature called Auto Sync, which lets users configure Windows Media Player to automatically transfer all copied or newly acquired content to devices whenever they are connected - provided that content is compatible with Windows Media Player. Auto Sync is customizable so that the player will transfer only content that meets certain criteria (songs rated four stars or higher, for instance). Changes made to file properties (such as a user rating and file playback counts) on a device can be propagated back to the computer when the device is reconnected.

Copies of files accessed over MTP may remain on the host computer even after reboot,{{Citation needed|date=April 2013}} where they will be accessible to the user account which accessed them, as well as any other user accounts able to read that user account's files, including any administrative users. Windows 7's sensor platform supports sensors built into MTP-compatible devices.<ref>{{cite web|url=https://blogs.msdn.microsoft.com/wpdblog/2009/12/17/sensors-and-windows/|title=Sensors and Windows|website=Windows Portable Devices Team Blog|date=December 17, 2009|access-date=October 18, 2019|archive-date=October 18, 2019|archive-url=https://web.archive.org/web/20191018185134/https://blogs.msdn.microsoft.com/wpdblog/2009/12/17/sensors-and-windows/|url-status=live}}</ref>

For Linux, the <code>mtp-tools</code> package contains tools to interact with MTP devices through a [[command-line interface]].<ref>[https://manpages.debian.org/buster/mtp-tools/ Manpages of mtp-tools in Debian buster — Debian Manpages]</ref> Some graphical file managers like [[Nemo (file manager)|Nemo]] can also browse and change files on MTP devices.

==== File move behavior ====
In the implementation of MTP used by Windows Explorer, files from a selection [[File operation|moved]] out of a mobile device's storage, perhaps with the goal of freeing up space, are not deleted individually from the source after each file, but instead the entire selection becomes deleted at once from the source only after the transfer has finished.

As a result, file moves aborted untimely, whether manually or unexpectedly, will not have freed up any space on the source device.<ref>{{cite web |last1=guenni |title=Windows 10 has an MTP problem with Android devices {{!}} Born's Tech and Windows World |url=https://borncity.com/win/2017/08/30/windows-10-has-an-mtp-problem-with-android-devices/ |website=borncity.com |date=August 30, 2017 |access-date=October 27, 2020 |archive-date=October 27, 2020 |archive-url=https://web.archive.org/web/20201027200000/https://borncity.com/win/2017/08/30/windows-10-has-an-mtp-problem-with-android-devices/ |url-status=live }}</ref><ref>{{cite web |last1=Leonhard |first1=Woody |title=Don't use Windows 10 to move data on your Android phone |url=https://www.computerworld.com/article/3221331/dont-use-windows-10-to-move-data-on-your-android-phone.html |website=Computerworld |language=en |date=August 31, 2017 |access-date=October 27, 2020 |archive-date=October 27, 2020 |archive-url=https://web.archive.org/web/20201027200156/https://www.computerworld.com/article/3221331/dont-use-windows-10-to-move-data-on-your-android-phone.html |url-status=live }}</ref>

===Unix-like systems===
A free and open-source implementation of the Media Transfer Protocol is available as libmtp.<ref>{{cite web |url=https://sourceforge.net/projects/libmtp/ |title=libmtp |publisher=Libmtp.sourceforge.net |access-date=March 15, 2014 |archive-date=March 2, 2014 |archive-url=https://web.archive.org/web/20140302040221/http://sourceforge.net/projects/libmtp/ |url-status=live }}</ref> This library incorporates product and device IDs from many sources,<ref name="libmtp_list_of_devices"/> and is commonly used in other software for MTP support.

====Graphical====
[[GNOME]] applications like [[GNOME Files]] (formerly called Nautilus) and [[Archive Manager]] (formerly called File-Roller) use [[GIO (software)|GIO]]-based [[GVfs]] to access files on MTP devices. Proper MTP support was added to [[GVfs]] in version 1.15.2 (2013-01-15)<ref name="gvfs1-15-2">{{cite web|title=gvfs-1.15.2.changes|url=https://ftp.gnome.org/pub/GNOME/sources/gvfs/1.15/gvfs-1.15.2.changes|date=January 15, 2013|access-date=June 6, 2013|publisher=ftp.gnome.org|archive-date=March 29, 2021|archive-url=https://web.archive.org/web/20210329103339/https://mirror.umd.edu/gnome/sources/gvfs/1.15/gvfs-1.15.2.changes|url-status=live}}</ref> by Philip Langdale.<ref>{{cite web|url=https://blog.intr.overt.org/?p=153|title=Native gvfs backend for MTP devices|date=August 7, 2010|access-date=June 1, 2016|archive-date=April 14, 2016|archive-url=https://web.archive.org/web/20160414111758/http://blog.intr.overt.org/?p=153|url-status=live}}</ref><ref>{{cite web|url=https://gitlab.gnome.org/GNOME/gvfs/commit/d6c8e3a4910ee2c5968886328ebe9456b445796b|title=gvfs - Virtual filesystem implementation for GIO|date=January 15, 2013 |at=git commit adding MTP back-end to GVfs|access-date=June 1, 2016|archive-date=October 18, 2019|archive-url=https://web.archive.org/web/20191018185136/https://gitlab.gnome.org/GNOME/gvfs/commit/d6c8e3a4910ee2c5968886328ebe9456b445796b|url-status=live}}</ref> Early patches for GVfs to enable Google's direct I/O extensions are available.<ref>{{cite web|url=https://bugzilla.gnome.org/show_bug.cgi?id=695984|title=Bug 695984 – Add support for Android direct I/O extensions|access-date=June 1, 2016|archive-date=December 23, 2014|archive-url=https://web.archive.org/web/20141223034131/https://bugzilla.gnome.org/show_bug.cgi?id=695984|url-status=live}}</ref>

[[KDE|The KDE Project]] develops the MTP [[KIO]] Slave with a similar level of integration as GVfs.

Not related to GNOME or KDE is the *NIX graphical MTP-capable media player, [https://gmtp.sourceforge.io/ gMTP].

====Virtual file system====
Several tools provide a [[Filesystem in Userspace|FUSE]] based file system for mounting MTP devices within the Unix filesystem hierarchy, making it accessible to any program that operates on files and directories.

====macOS====
[[macOS]] has built-in support for MTP (through the application "Image Capture"<ref>{{cite web |url=https://osxdaily.com/2013/02/08/transfer-photos-from-android-to-mac-os-x/ |title=Transfer Photos from Android to Mac OS X|date=February 8, 2013 |publisher=Osxdaily.com |access-date=Feb 8, 2013}}</ref>) but no (third-party) drivers to mount MTP devices as drives. Also several third-party file transfer applications are available for Mac OS X v10.5 and later:

*Android File Transfer is a simple MTP client.<ref>{{cite web |url=https://www.android.com/filetransfer/ |title=Android File Transfer |publisher=Android.com |access-date=March 15, 2014 |archive-date=March 29, 2021 |archive-url=https://web.archive.org/web/20210329103336/https://www.android.com/filetransfer/ |url-status=live }}</ref>
*Android File Transfer For Linux (and Mac OS X), Open Source, License GPL Version 3, Graphical UI, Command line tool, FUSE wrapper - mounting your device,<ref>{{cite web |url=https://github.com/whoozle/android-file-transfer-linux |title=Android File Transfer Linux Mac OS X |publisher=whoozle |access-date=December 2, 2016 |archive-date=February 22, 2017 |archive-url=https://web.archive.org/web/20170222135318/https://github.com/whoozle/android-file-transfer-linux |url-status=live }}</ref>
*OpenMTP - Open Source MTP client. Advanced Android File Transfer Application for macOS. Graphical UI. Faster transfer speeds than Android File Transfer. <ref>{{Cite web |title=OpenMTP |url=https://github.com/ganeshrvel/openmtp |website=GitHub}}</ref>
*XNJB also offers syncing of iTunes playlists.<ref>{{cite web |url=http://www.wentnet.com/projects/xnjb/ |title=XNJB |publisher=Richard Low |access-date=June 15, 2014 |archive-date=January 25, 2021 |archive-url=https://web.archive.org/web/20210125022430/https://www.wentnet.com/projects/xnjb/ |url-status=live }}</ref>
*SyncMate Expert claims to also support MTP besides other synchronization tasks. The support can't be tested in the free version.<ref>{{cite web |url=https://www.sync-mac.com/ |title=SyncMate |publisher=ELTIMA software |access-date=June 15, 2014 |archive-date=June 19, 2014 |archive-url=https://web.archive.org/web/20140619214229/http://www.sync-mac.com/ |url-status=live }}</ref>
*Commander One PRO Pack - file manager that allows mounting MTP devices to Mac and managing their content.<ref>{{cite web |url=https://ftp-mac.com/ |title=Commander One PRO Pack |publisher=IvanK_Eltima |access-date=April 20, 2017 |archive-date=April 9, 2017 |archive-url=https://web.archive.org/web/20170409094333/https://ftp-mac.com/ |url-status=live }}</ref>

===Other operating systems===
Later versions of several operating systems, including [[AmigaOS]], [[Android (operating system)|Android]], [[AROS]], [[MorphOS]], [[Symbian OS]], and [[HarmonyOS]]/[[OpenHarmony]]/Oniro support MTP, sometimes with additional drivers or software.

A disadvantage of MTP devices on Android as compared to USB mass storage is that although file timestamps are preserved when copying files from the Android device to one's computer, when copying in the other direction, the file modification timestamps are replaced with the time the copy was done.<ref>{{cite web |title=Issue 57065 - android - Writing files via MTP set date and time for pictures and files to current, does not preserve timestamp. - Android Open Source Project - Issue Tracker - Google Project Hosting |url=https://code.google.com/p/android/issues/detail?id=57065 |website=code.google.com |date=August 30, 2016 |access-date=September 2, 2016 |archive-date=October 11, 2016 |archive-url=https://web.archive.org/web/20161011051507/https://code.google.com/p/android/issues/detail?id=57065 |url-status=live }}</ref><ref>{{cite web |title=Issue 18624 - android - setLastModified() always fails on Xoom unless running as root - Android Open Source Project - Issue Tracker - Google Project Hosting |url=https://code.google.com/p/android/issues/detail?id=18624 |website=code.google.com |date=August 30, 2016 |access-date=September 2, 2016 |archive-date=August 18, 2016 |archive-url=https://web.archive.org/web/20160818000420/http://code.google.com/p/android/issues/detail?id=18624 |url-status=live }}</ref>

===Other manufacturers===
Companies, including Creative Technology, [[Intel]], [[iriver]], and [[Samsung Electronics]], that manufacture devices based on Microsoft's "[[Portable Media Center]] specification", have widely adopted MTP. Supporting devices were introduced at the 2004 [[Consumer Electronics Show]].

After an initial period of uncertain reactions, several large media player producers such as Creative Technology and iriver adopted the MTP protocol in place of their own protocols.

Many devices and audio software applications support MTP.