:Okay i got my blackberry 7100i yesterday with a boostmobile sim card in it. and the mms has been activated.. called boostmobile updated my sim info ..Sim#,& Imei #. after all this process i try calling or sending mms.. but everything fail.. Every-time i try calling my phone.. it goes straight to vm..or if i try to make a call the calls drops. i cant make calls i cant receive. And also i have the $1 per day plan..!