The company said the Magic Photo feature will allow users to combine photos and videos and easily share the result to social media. Users will be able to select a certain area of a photo and add video to it.
"This feature can be used to make images which can't be seen in real life," the company said.
The company already said the upcoming smartphone will come with a five cameras, including standard, wide-angle and telephoto lenses on the back.
LG plans to unveil the V40 smartphone on Thursday.