!!!MMS!!! is working with Sprint!! Simple fix after hours of working. Simply slide to the messages tab, click menu, click settings, click options. click menu, click mms server. click default server, change server name to Sprint. no IP address. Port number 80. Server Address
http://63.215.195.152 connect via data network, and finally and what seemed t to be what fixed it was to change wap version to none. I was able to send MMS to verizon and sprint so far. Will continue to test. If any one cares to give this a try and let me know if it works for them!