I have Nokia c7cell phone . Since I am using two sim cards in a same cell phone. My operator had send me various MMS settings. Previously I was able to change these various setting with the new received settings. But now when I am switched to new operator , I am not able to change the setting. My MMS setting seems to be blocked. Now somebody tell me how to delete ,modify or add any new settings? I am hoping very soon some suggestions.
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