LG Optimus L3 E400 Insert Sim IC Solution Ways

 in case of insert sim problem in LG Optimus L3 E400 it will show insert sim, sim not valid, and may not show signal.to solve LG Optimus L3 E400 Insert Sim IC Solution Jumper Problem Ways we have to do a few simple steps as given in this post.in first step replace you sim and try it.scratch sim points in mobile slightly then try.