Samsung GT-S3770K Sim Card Ways Problem Jumper Solution, Simcard Ways
This article is for Samsung S3770K No SIM card problem solution. So if your mobile is not accepting SIM card and you are sure that your SIM card is not faulty solutions in this post can be helpful to you.
Samsung GT-S3770K Sim Card Not Detected issue occurs mainly because of hardware issue. There is a chance of one or more faulty sensors in the Sim card slot. The sensors also may become dirty. If the problem is just dirt, the take out the Sim card from slot and blow an air into the area. It will remove the stuck dust particles in the sensors. But if you realize the sensor is defective, then get it repaired.
Hardware Solution:
Fix Samsung GT-S3770K Sim Card Ways Problem, Sim Ic Jumper, No Sim Card Found
Re-solder all 6 SIM card contacts.
Check continuity between SIM Power line (Mentioned in picture) and capacitor, if a capacitor is damaged replace it. (P.S. If you are not able to replace capacitor, then replace the entire SIM Card and Memory Card Strip.)
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Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.
