Some phones automatically save saved photos to Google Drive. If you go to Settings > General > iPhone Storage > Messages you will see a Photos option. Press and hold the Power key until a menu appears. Newer versions of iOS have a tool that lets you quickly delete a lot of images from your text message conversations. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/23\/Delete-Text-Messages-on-Android-Step-2.jpg\/v4-460px-Delete-Text-Messages-on-Android-Step-2.jpg","bigUrl":"\/images\/thumb\/2\/23\/Delete-Text-Messages-on-Android-Step-2.jpg\/aid9829954-v4-728px-Delete-Text-Messages-on-Android-Step-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"