I am using AIRTEL sim card in sony ercisson w580i but it is not selecting network automatically. and when i contacted them, they said that you are using sony ercisson mobile W580i and it has some problems with AIRTEL cards, if you get an duplicate sim by paying some amount your problem will be solved. i want to know that why i have to spend more and is it not the mistake ofAIRTEL. how can they produce and distribute this kind of sim cards, and getting extra money for providing duplicate sim card.
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