Easy enough.

Wget command will help you along. Leave the user defaults behind. Upgrade your skill!

If on android, you have a couple of options: Install Linux app, open terminal -> sudo pkg install wget. after install: wget "link to your gif" link to the folder/name.gif

Or there is an app httrack where you can scrape all kinds of thins from the net.

Easy enough.

Wget command will help you along. Leave the user defaults behind. Upgrade your skill!