Samsung I9300 Galaxy S3 Sim Card Connecter Ways
Samsung GT-I9300 Insert Sim Solution
Samsung I9300 Sim Ways, Jumper, Track, Path
In Samsung Galaxy I9300 Insert Sim Card Problem can occur because of the faulty Sim Card Connector, Sim IC or it’s bad connection to the Cell Phone’s Motherboard. Bad connections can happen for many reasons like if it’s dropped or got wet, bad connection may also happen because of Carbon, Rust or even Dirt. So first of all you should clean Sim Card Ways, Sim IC, Sim Card Connector and Motherboard of the Mobile Phone.
You Can Use any cleaning liquid for this purpose like CTC or any other you prefer. If you are certain that the bad connection is not the reason for your Mobile Phone’s fault, then you can replace the Sim Card Connector, Sim IC with a new one.