HT201420: If you get an alert about the SIM card in your iPhone

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roohi2010
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Q: iPhone 4S is showing  "No Service" or "Edge" or 4G but has no bars

My iPhone has no service and hasn't had service for the past 4 hours. I am an AT&T carriet. Everyone in my family still has service on their blackberry's I have restarted my phone taken the sim card out and put it back in and still no solution. What is wrong? I've tried putting it on airplane mode but nothing is working. It's updated to 5.1.1. I have had this phone since last Octobor this is the first I'm having problems with it

iPhone 4S, iOS 5.1.1

Posted on Jun 13, 2012 10:56 PM

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roohi2010

Q: iPhone 4S is showing  "No Service" or "Edge" or 4G but has no bars

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  • by impious-rocker,

    impious-rocker impious-rocker Jun 13, 2012 11:14 PM in response to roohi2010
    Level 4 (1,195 points)
    Jun 13, 2012 11:14 PM in response to roohi2010

    Did it happen after updating to 5.1.1.?

     

    If it's a carrier locked (AT&T) iPhone, use another AT&T SIM card OR if it's carrier unlocked/factory unlocked iPhone use a SIM card from a different compatible carrier to see if the "no service" issue gets resolved; if it does then replace your current SIM.