will erasing Data Connect (#777) allow me to send MMS with out connecting to internet

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i wanted to ask a questions but did not know how to create a post , so some of your post and have wm6.1 light rom that you created .. but i wanted to see if you would be able to answer the following question for me .

I wanted to be able to send MMS but did not wanted to have DATA plan cause all i use is WiFi and for the stuff i use the internet for is all i need. Now i been wanting to be able to send/receive MMS but again you need a Data plan for it , well i have it block, but wanted to see if i was to unblock the Data access but if i also deleted the Dial #777 (EV) connection in my phone (XV6800---Verizon), would i still be able to send/receive MMS and at the same time avoid connecting to the internet throught the verizon network, but only throught WiFi.

hope you understand my question.

thanks in advance!