MMs is a carrier feature. You need to work with your carrier to resolve it. Note that MMS requires that cellular data be turned on; it cannot use Wi-Fi.
This thread has been closed by the system or the community team.
You may vote for any posts you find helpful, or search the Community for additional answers.
Problem with MMS
Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.