Samsung Galaxy Tab 10.1 User Manual page 110

Note: Videos are stored in the /Root/sdcard/DCIM/Camera
folder as mp4 files. (For more information, refer to "My
Files" on page 154.)
10. Press Return to return to the category screen.
104
Setting a Picture As
You can use the photos you take as a contact's photo or as
wallpaper for the Home or Lock screen:
1. From a Home screen, touch
2. Touch a category and then a group to view it, and then
touch a photo to select it.
3. Touch Menu
4. Touch Contact photo and then touch a contact entry.
– or –
Touch Home screen, Lock screen, or Home and lock
screens.
The Crop picture screen displays.
Apps
Set as.
Gallery.