Thankfully, its easy to turn this off!
Below, you might find instructions both for Android and iOS phones.
Next, hit Data and storage usage.
The Data storage options
Now, the option to restrict file downloads isnt labelled as such not directly.
Look for the Media auto-download section.
Below are three options one for mobile data, one for WiFi, and one for roaming.
you might set which types of files you want to download for each throw in of connection.
Additionally, you have the option to restrict file downloads only for one single contact.
Tap on View contact.
Contact page
Here, youll see an option for media visibility.
Of course, you could change it back any time you want to.
There, tap Chats.
Youll see an option labelled Save to Camera roll, with a slider.
Save to camera roll
Turn it on or off to enable or disable this feature.
Like in Android, you might also set this to off just for individual chats if you want to.
To do so, go into the chat you want to stop downloading files from.
Tap the name of the person at the top and youll see additional options.
Chat options
Here, pick the option Save to Camera Roll.
it’s possible for you to change this setting for each individual chat whenever youd like to.