How to Disable MMS Messaging on an iPhone

​ ​Open​ ​your​ ​iPhone’s​ ​Settings.​ ​The​ ​icon​ ​will​ ​appear​ ​as​ ​a​ ​set​ ​of​ ​grey​ ​gears​ ​located​ ​on​ ​your Home​ ​Screen.

​ ​Scroll​ ​down​ ​and​ ​tap​ ​Messages.​ ​It​ ​is​ ​located​ ​in​ ​the​ ​fifth​ ​group​ ​of​ ​menu​ ​options.

​ ​Switch​ ​the​ ​green​ ​MMS​ ​Messaging​ ​slider​ ​to​ ​the​ ​“off”​ ​position.​ ​The​ ​slider​ ​will​ ​turn white.​ ​This​ ​will​ ​prevent​ ​your​ ​iPhone​ ​from​ ​sending​ ​or​ ​receiving​ ​any​ ​MMS​ ​text​ ​message.​ ​The phone​ ​will​ ​no​ ​longer​ ​be​ ​able​ ​to​ ​exchange​ ​messages​ ​with​ ​pictures,​ ​video,​ ​and​ ​other​ ​multimedia content.​ ​You​ ​will​ ​still​ ​be​ ​able​ ​to​ ​send and​ ​receive​ ​multimedia​ ​content​ ​through​ ​iMessages​ ​and​ ​email​ ​when​ ​connected​ ​to​ ​a​ ​wireless network.