Samsung GT-S5570i Sim Card Ways Jumper
This solution applies to Samsung GT-S5570i. Insert Sim card problem can occur in these phones in case of damaged Sim connector.
So first of all you should check if the Sim Connector in Samsung GT-S5570i is busted and replace it. If that is not the case then you have to replace the Sim IC placed near the Sim Jacket. I have marked the the Sim IC in the following diagram.
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Here Are Insert Sim Problem Solutions. Please Observe Carefully.
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