When you come to this interface and find "Settings", you don't have to say much.

Be sure to see this step clearly and click "General".

When you come in, you can see the "photos, videos, files" option, which is the most important. Keep clicking.

You will understand after reading the explanations of these items. Turn off all the switch buttons on the right, all of them!

This can prevent the small videos and pictures you just want to watch from being automatically saved on your mobile phone and occupying the memory of your mobile phone.