How I change the network ic of j7 prime

My mobile network is showing no service.I want to change the network ic.Any suggestion?

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Hi @tanitareq ,

Have you tried a different known working, network compatible SIM card in your phone to see if it worked?

Have you tried your SIM card in a different known working, network compatible phone to see if it worked there?

Basically swap SIM cards between two same network connected phones and check what works where.

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