It's an app with gray cogs on one of your Home screens. It may be in a folder labeled "Utilities.";
, This is in the fifth group of options, between Phone and FaceTime.
 Contact photos will no longer appear next to conversations in the Messages app.
Open your iPhone's settings.
Scroll down and tap on Messages.
Slide the Show Contact Photos button to the off position.
{"src": "wikihow-all_test", "title": "How to Hide Contact Photos on an iPhone"}