Hi all, I am having the Nokia E5 phone and newly got the Airtel connection. But my problem is that the whenever I insert the SIM card into the phone and try to on the phone then it shows me the message on the screen that says “SIM card registration failed” and there is no more detail for this. Now I am not able to make or receive the call. I am not able to do anything that is related to the network. Can you tell me that why this is happening to me and also tell me the way by which I can solve the issue. Please reply as early as possible.
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