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Although, Nokia 1661 insert sim is very simple problem But still i post this solution.I hope Many people will benefit of this solution.
How to do this work : Nokia 1661 insert sim repair is very simple.If any body face this problem then first check sim card check battery next check sim line ways If you see tey are ok but problem still then rehot or replace sim ic and see result if same result then make this jumper.
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