You can hide or block images from showing on a page in Firefox for iOS if you have a slow connection or want to avoid using larger amounts of data.

How to Block or Show Images

1. Tap the Menu button at the top or bottom of the screen.
2. Tap Settings.
3. Tap the Block Images toggle to blue (Hide Images for older versions) to block and hide images while loading a page. Tap the toggle again to turn this feature off and show images when loading a page.
4. Tap Done at the top of the screen.