Hi. I have an iPhone 3G 8gb, with 3.1.2 and it is using a GoPhone SIM. I am under the $60 Unlimited Talk & Text plan, which I started about a few days ago. Calls work fine and so does texting, but my MMS is not working. When I try to send a pic to someone, a red and white exclamation mark appears and tells me to try again. MMS is included in this plan. Any fix to this? MMS is turned on in settings. Thanks, appreciate any help.