So you do not have to ask someone to send you a photo / video that you have viewed. Unless it is a video of more than 10 seconds.
1. Open your file manager
2. Press the "option" button "settings" check "hidden files"
3. Return to the File Manager and scroll to the Whatsap folder.
4. Open the "Media" folder
5. Usually, the first file you should see is ".statuses"
6. This folder contains all the statuses consulted during the 24-hour period .
7. Take note that they automatically delete themselves after 24 hours. To save the viewed file in the future, move it / copy it to another folder of your choice.