Contact the customer care of your network provider and get the message center number and note that down and now check the message center number in the message settings once ...

if you are speaking about sending the MMS message then first you need to activate the GPRS in your cell ... to activate the GPRS you can contact the customer care of your network provider and ask the procedure for the activation of it ..

after that you will be receiving the MMS settings after that you can send the MMS message ...

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