SMBSync2 – Synchronizing files via wireless LAN using SMB1, SMB2 or SMB3

[App] SMBSync2

SMBSync2  If SDCARD is not available, check the FAQ 4.2.SDCARD or USB media is not recognized by the app.

There is a danger of losing the file, so when creating a new task you must create a test directory and test it.


SMBSync 2 is a tool for synchronizing files via wireless LAN using SMB1, SMB2 or SMB3 protocol between the internal storage of Android terminal, SDCARD and PC/NAS. Synchronization is a one-way from the master to the target, mirror, move, copy, archive can be used. (Internal storage, SDCARD, SMB, ZIP combination is possible)
Can start the sync by external application (Tasker, AutoMagic etc) or SMBSync2 schedule.

If master and target files are different, to copied files from master to the target directory. To delete target files and directories if does not exist in the master.
If master and target files are different, to copied files from master to the target directory. To delete the master directories and files copied to the target.
However, the master and target same name, same file modification time and file size, to delete the file on the master without copying files.
If master and target files are different, to copied files from master to the target directory. However, the same file modification time and file size with the same name does not copy the master and target.
Move photos and videos in the directory on the master side to the target under conditions such as shooting date/time than the date and time of archive execution, such as 7 days or earlier or 30 days or earlier. (However, ZIP can not be used for target)

The difference file is one of the following three conditions.
1. File does not exist
2. Different file sizes
3. Different over when last updated 3 seconds

The last update time of the file sync to the internal storage may be rewritten to the sync time depending on the model. Also, the last update time of external SDCARD is always rewritten to synchronized time on Android 5/6.

For more information :

SMBSync2 user reviews :

Interface isn’t that pretty, but it works. Whilst a task is running you can’t edit or queue up another task, or change or export app settings which is a bit irritating. I’d like to be able to select multiple tasks to run at once (either in sequence or concurrently) as I only ever run tasks manually.

THIS IS A GREAT APP AND DEVELOPER! A must-have app for your MANY tasks. This is a truly great developer. Push and pull files from your other home computers.

I’m uninstalling. Since the last update it keeps automatically starting up. Killing it only makes it start back up again. I only want app to run when I run it. Could find no settings that controlled automatic start.

Great app! The only one I made to work to autosync directly between android devices. Can you do something to lessen more the battery drain? Thanks

A bit on the complicated side to set up but I’m sure that’s just me as only had my Synology NAS a few days and a lot to learn. I have played about and got the app to sync a test folder, oh my god, did it fast and accurate so far. The signs are very good with this app, very pleased and looking forward to setting up my phones individual folders to sync a backup easily. Thanks developer this is just what I’ve been looking for.

Is just great for synching files between the phone/tablet and the pc/laptop.But I think it could be a good idea to have automated mirror tasks for the same folder

I am just happy somebody created app that does exactly what I need to do back up of my files to my own storage.

Thank you for such a useful and flexible app. I use it to sync with my local server, on year, months, and devices. Awesome work!

Fails to execute scheduled backup from phone to SD card usually. Occasionally it surprises me and works. As far as I can tell I have set it up correctly (it occasionally working supports this). I hope that the developer can look into this. Thank you.
  • Sentaroh
  • Thank you for your feedback. See “1.5. Unable to start sync during sleep” in the FAQ and try to set it up. Best regards.
love this app but have found a glitch moving image files. so far i am not transfering to my NAS, just internal to SD move ops, as social media apps, screenshots, etc insist on dumping to internal over SD. in move ops, this app always places a copy of the file to the SD & file explorers show the file removed from internal storage… excellent! but the various gallery/image apps are not convinced, showing a corrupt/empty image stub remains @source; can manually delete. missing gallery/db update?
  • Sentaroh
  • Thank you for your feedback. Can you please tell me the name of the image application that is showing the error?(gm.developer.fhoshino[at] Best regards.

Contact developer :


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