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So I have my Galaxy S4 with 64 GB SD card. Every once in a while I backup my SD card data simply by copy & paste it to a new directory in my PC.

So I have my SD_BACKUP root directory that contains sub directories of the entire SD card folder that was copied by the data.

C:/SD_BACK/BACKUP_30042014
C:/SD_BACK/BACKUP_27052014
C:/SD_BACK/BACKUP_15072014

and so on …

This is clearly not optimal. I am looking for a smarter tool:

  1. Manage two storage folders: SD card on the device and C:/SD_BACK.
  2. Smart copy of folder 'X' data into folder 'Y' (append and skip mode).
  3. No syncing. C:/SD_BACK is always growing (nothing is removed by the tool). SD card is untouched.

So I tried two tools: SyncToy & FreeFileSync. Unfortunately as I see it, both tools are unable to sync portable device (I just can't chose my SD card folder from my device).

I know it is a very long question for a very simple and elementary task but I had to provide all I know and need.

Update 1

Screenshot of FreeFileSync when I try to chose my SD card:

FreeFileSync choose folder

Update 2

So it seem we narrow down the issue to How to connect my device in USB mass storage mode?

The post Enable the USB Mass Storage for Samsung Galaxy S4 should help most users, but when I tried step 5:

Tap on the ‘Mass Storage Mode’ button that’s shown on the main app menu

I got this error:

Failed to turn on Mass Storage Mode, checkthat you have a microSD and that no apps are accessing it

Keep investigating here.

  • I have used FreeFileSync on an SD card before. Doesn't yours have a drive letter? – Tymric Oct 28 '14 at 15:09
  • No. Just say Galaxy S4 under Portable Devices category. – idanshmu Oct 28 '14 at 15:12
  • What is the displayed folder path when you open it with Windows Explorer? Maybe you can copy that into your sync program – Tymric Oct 28 '14 at 15:14
  • Updated my question. please see screen shot. – idanshmu Oct 28 '14 at 15:22
  • 1
    Related: softwarerecs.stackexchange.com/q/3067/6834 – Tymric Oct 28 '14 at 16:00
2

FTPServer + WinSCP

Consider using an FTP server. You'd be able to backup your data wirelessly without having to figure out how to connect your device as a USB mass storage.

On your phone:

  1. Download and install FTPServer
  2. Set up a username and password, choose any port number greater than 1023, and use wlan0(IPv4) as the DEFAULT INTERFACE and remember the IP address
  3. Choose your home network in the Allowed connections
  4. Select /mnt/extSdCard as the Default Directory
  5. Go back and Start FTP service

Click to enlarge

On your PC:

  1. Download and install WinSCP
  2. Select FTP from the File Protocol menu
  3. Use your server's IP address, port, username, and password. Save your profile for later use
  4. Log in and use the Synchronize button to back up your data
  5. To match your criteria of one-way syncing without deletions, make sure that the Local option is selected and that Delete files is unchecked. You can also Preview changes before applying them

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