E75 insert sim problem tested

Step1: Clean it first before you may use and apply this solution below
Step2:Check or Replace X2700 {SIM connector},Check Vsim1 at C2700,
Check Sim DATA from pin C5 of  X2700 to C2703 and pin C7 of N2200{power ic}.
check Sim CLK from pin C1 of X2700 to C2701 and pin B5 of N2200 {power ic}
check Sim Clock {RST SIM}
Step3:Replace N2200{POWER IC}