A.O.A .Mera pas n72 hai.Us mae ye problem hai ky ufone ki sim propar work nahi krti hai i mean sirf net chlta hai na sms hoty na call or na hi sms ya cll recieve nai hoti..Magr baki all sims propar work krti hain.. ak baat or wo ufne ki sim other handsets mae bilkul thek kaam krti hai..Pls help me..Pls s s s s s