Galaxy S9/S9+: How do I backup my device data on external storage?
Last Update date : Sep 15. 2020
To connect USB memory card or external HDD, plug the USB connector (USB Type-C) to the USB power adaptor and plug the USB memory/external HDD into an electric socket.

1
Then, on Apps screen tap Settings.
2
Tap Cloud and accounts.

3
Tap Smart Switch.

4
External storage transfer.

5
Tap BACK UP.
Select contents to backup and activate back up.

If data backup is completed, you can check the data My Files > SD card > Smart Switch Backup folder.

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