Nokia 1800 sim jumper

This is 100 % tested solution.Nokia 1800 phone can insert sim problem, when the face of this problem and then repair using this solution.if repair this solution with another solution can Apply this solution.I hope to successfully repair . How to make this work : Check the first SIM card if the SIM card is bad , but the problem remains open phone next background check and sim sim pin point , but then check to see that red line.If are well but the problem persists then remove sim ic and make this bridge.