LG G4 -H815 Owner's Manual page 68

Setting wallpaper
While viewing a photo, tap > Set image as to set the image as wallpaper or assign
it to a contact.
NOTE
Depending on the software installed, some file formats may not be
•
supported.
If the file size exceeds the available memory, an error can occur when you
•
open files.
NOTE
DNG files are not supported for editing.
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66
Camera and Video