[Resolved]  Sony Xperia Ion Lt28h — No airtel 3g connection

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Madurai, Tamil Nadu

Im Ashok few days before I bought sony xperia ion, there is no 3g internet connection when airtel sim is inserted , I thought my sim is fault, so I bought new micro sim and inserted it still I have the same problem, when I put my sim in other mobile I get good internet speed, could any one help me from this pbm my email id is [protected]@gmail.com