Samsung GT-I9250 Repair Sim Problem Jumper Solution
If the phone unable to recognize any inserted working sim card to this solution below may help on fixing the problem.
Samsung Galaxy Nexus Insert Sim Problrm Solution
Samsung GT-I9250 Sim Pin Connecter Ways Jumper
Samsung I9250 Repair Sim Problem Track, Path, Solution
The solution below shows a detailed info about the Samsung I9250 sim card circuit. The image will help you determine of which particular parts or components needs to be cleaned, trace, check and or replace.