Hi there. Did this ever get resolved? I got a new (unlocked) S10 and it is doing the same thing!! I have spent DAYS at Xfinity store, chats and boards. Weird thing...it sends/receives all picts, videos when I am on Xfinity store wifi, also at work, even got a picture the other day standing in Safeway...just not my home. I am so frustrated that I bought a new Xfinity phone yesterday...much cheaper...it ALSO has issues at home with MMS!! Not sure what to do next!
If you ever got it MMS to work at home I would love to hear the solution.
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