Internet and MMS: Apple iPhone http://support.t-mobile.com/docs/DOC-2383 http://support.t-mobile.com/docs/DOC-2383 http://support.t-mobile.com/docs/DOC-2383 http://support.t-mobile.com/docs/DOC-2383 http://support.t-mobile.com/docs/DOC-2383 MMS settings for T-Mobile MMS settings for T-Mobile http://support.t-mobile.com/docs/DOC-2383 http://support.t-mobile.com/docs/DOC-2383 iPhone Mobile Web (APN) Settings T-Mobile has easy-to-follow directions