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Gently cleaning the SIM card and its tray can remove dust or debris that might be obstructing proper contact. Switching Airplane mode on and off can help reset network connections and prompt the ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ryan Whitwam Most people rarely think about SIM cards, the tiny plastic ...

No SIM card error on the Galaxy S3 is not really a serious problem, however, it occurs indiscriminately. So anyone who has the phone can experience this problem ...