I also have an 8900 on Tmobile and have no data service at all in San Diego.
I can make calls however.
Originally Posted by trlightning
I have a new 8900 (and love it), but am having problems sending and receiving MMS messages this evening, and just spoke to T-Mobile support. They told me there is a network outage, and they'll be working to correct the issue. Can any other TMo users send or receive MMS?