how to prank friends in whatsapp by changing preview image to another image after downloading it

HI guys, Nowadays we are fooled a lot by our neighbors or friends with a prank image... The technique is image was changed after download it. We saw the image which did not exist after download it. Here Mr. Anonymous reveal the recipe of making that type of images to prank your friends for you only.

Video Link: https://www.youtube.com/watch?v=tqTet4HRnRk

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