Samsung WB350F User Manual (en)

Viewing photos or videos in Playback mode
Select a list to open it.
Select a file to view it.
Rotate [Zoom] to the left to return to the previous view.
•  You can also touch 
  to return to the previous view. 
If you change the category, it may take some time for the camera to reorganize 
files depending on the number of files.
Protecting a file
Protect a file from accidental deletion.
In Playback mode, select a file to protect.
Press [m], and then select Protect → On.
Repeat steps 1 and 2 to protect additional files.
You cannot delete or rotate a protected file.
Deleting files
Select files to delete in Playback mode.
Deleting a single file
You can select one file, and then delete it.
In Playback mode, select a file, and then press [ /f].
When the pop-up message appears, select Yes.
You can also delete files in Playback mode by pressing [m], and then 
selecting Delete → Delete → Yes.
You can also delete files in thumbnail view by touching and holding the file, and 
then selecting 
 → OK.