Samsung S3850 Sim Card Connecter Pin Ways Solution
The solution below shows the connection line paths of the Samsung S3850 SIM card connector and which components needs to be check first.
Samsung GT-S3850 Insert SIM card Problem Solution
Samsung GT-S3850 Insert Sim Solution
Samsung GT-S3850 Sim Card Connetcer Pin Ways Tracks Repair
If the phone doesn’t detect any working sim card inserted to it, try to clean the sim card pin connector first.