HT202340: iPhone: Understanding SIM cards

Learn about iPhone: Understanding SIM cards

PARKASH DHILLON

Level 1 (0 points)

Q: My iPhone 4S suddenly says "NO SIM" I have removed the sim, erased the data, reinstalled the software and reinserted the the sim but again "No Sim".

My normal working iPhone suddenly says "NO SIM". I have removed sim reinserted many times, reinstalled the software but again answer is "NO SIM".

iPhone 4S, iOS 5.1.1

Posted on Jul 8, 2012 8:56 AM

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Q: My iPhone 4S suddenly says "NO SIM" I have removed the sim, erased the data, reinstalled the software and reinserted the the sim b ... more