in case of insert sim problem in Motorola Moto C it will show insert sim, sim not valid, and may not show signal.to solve Motorola Moto C 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.
If you encounter difficulties during the repair process, leave a comment below for assistance.
Good luck!