Sync computer folder -> phone's external SD card, with USB cable

Question

Background: Until a few days ago, I was happy with my Android 2.3 phone, and its Media Storage via USB cable : syncing my computer's D:/MusicLibrary/ folder with my phone's 128GB external SD Card was possible in one line with xxcopy.

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With my non-rooted Android 4.2.2, I don't have Media Storage anymore, but only MTP. As mentionned in many other questions, this doesn't give a drive letter anymore by default. The only solutions I see to sync my computer's music library folder with my phone's SD card are very complex now, in comparison to the good-old-Android-2.3-way :

• use FTP server (argh!) or Samba techniques
• root my phone to allow Media Storage via a specific plugin
• complex solutions with adb pull, but this won't track which files have been changed, so I would need to write different script to track changes, etc. (re-argh!)

Is there a simple solution to sync: computer folder <-> Android 4 phone's SD card folder, via MTP, with Windows 7?

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Remark: Funnily, the tag about MTP says The Media Transfer Protocol (MTP) is a protocol which purpose is to facilitate the transfer of media files and associated metadata to/from devices.. In such a case, it seems that it doesn't facilitate but makes things worse instead.

Answer 1

MyPhoneExplorer Windows program can sync a folder between phone and PC through USB

First time

1. Install MyPhoneExplorer program on Windows PC

2. On Android phone

   1. Ensure that 'USB debugging' is enabled on phone (Settings - Applications - Development or Settings - Developer options). In Android 4.2.2 and newer, you have to unlock the USB Debugging option first (Settings - About phone - Build number -> tap 7 times on it)
   2. Ensure that the Debug-Interface-Drivers for your phone are installed (ADB drivers)

3. Open the program on PC without connecting phone

   1. File> Settings > unselect "start multi-sync" and unselect "connect on start up"
   2. File> Settings > Multi-Sync > unselect sync phone book, Sync organiser, Sync notes, refresh call logs, refresh message folders (to avoid these sync as we focussed on PC-to-phone file sync)

4. Open the program after connecting the phone > MyPhoneExplorer > files > click on customise (down black solid tringle) a side of Sync files (at the same time, give access to the phone when the pop-up appears to memory, etc.)

   • Title: e.g. Mtc
   • Direction : PC to Phone
   • Source folder: browse to PC folder e.g F:\Mtc
   • Target folder: browse to a folder on the internal memory of the phone, e.g. External memory \BackupLT\Mtc (phone to be on data or file transfer mode not just on charging mode), select include subfolders
   • Mode: reflect folder

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Regular Sync

1. Open the program after connecting the phone > MyPhoneExplorer > files > click on Sync (or customise and tap on your earlier given title).

Note:

• If just folder name is to be changed for streamlining, etc., change the folder name manually at PC and Phone of the same folder. Otherwise, it will copy name change folder to phone and delete old folder from the phone (as Direction: PC-to-Phone, Mode: reflect folder is selected condition)
• If 2nd device is to be synced for its own (configured similar to above already), the Windows program is to be closed and 2nd device to be connected and program is to be started, 2nd device configuration will be loaded