Here's another working solution for SAMSUNG C160 / C160M insert sim card problem, tested and working solution. The phone's history is not wet or water damaged. It was just happened told by the user. The procedures is in below on how to fix the said insert sim card problem of SAMSUNG C160.
Here's the photo of the device after being diagnosed.
SAMSUNG C160 sim card jumper ways
Hope this will help to those who are looking for this solution, credits goes to Blckshp_09