Nokia 3110C
Gprs not workds

Dear sir, i m kamran, i hve nokia 3110c, i want to active my gprs and mms, on my mobile, pls guide me how i can. and when i online from cell in yahoo messanger, although i seem online in yahoo but if some body send me mesag i dint receive tht and if i send, they not get my message too, hope u will guide me, i will wait ur email