Invalid Sim 3GS 5.0.1

Upgrated to 5.0.1 and now it won't activate... Why? No solution?

We need a lot more information before anyone can offer any advice. Is this iPhone locked to a carrier, or was it purchased unlocked (and by that I mean really unlocked, confirmed by Apple, not purchased from some user or unauthorized dealer who claimed it is unlocked). From what dealer and in what country did you buy the iPhone, and in what country are you attempting to use it now? What is the exact error message?
With more information, we can then perhaps tell you what might be going on and how to address it. An "invalid SIM" message after upgrading the operating system usually indicates an iPhone that was jailbroken to allow it to work with a carrier other than the one to which is was originally locked. Such jailbreaks are often removed by an OS upgrade.
Regards.

Similar Messages

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    my iphone 4s has been reporting invalid sim/sim card failure intermittently for a week. I thought it was a one/two-time thing, so had to manually eject SIM card and put back in.  Today, after it happened twice in 12 hours, someone told me to reset - i thought they meant reset all settings, not network settings.  while in the middle of resetting, there was an invalid SIM card again.  so a few questions - which should i do first?  try to manually back up from itunes (not connected to cloud - will be after tonight!), or eject SIM card?  don't know if one will jeopardize the other.  also, the last time i backed up was 6 days ago - have taken hundreds of pics since then - are those all lost?  is there a way to essentially not reset?  i thought the reset was okay because it said i'd lose no data or media. Help!  thanks much!

  • Thanks this was very useful.. I have a brand new iphone 4s unlocked version from singapore and I am having the same problem constant network fluctuations, no service, call failed, invalid sim, sim failure, bars fluctuating from 5 - 3 - 2 - 1, no signal/ba

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    Have a look at this it might help
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  • I had already update mi new factory unlocked iPhone 4S to iOS 5.1.1 and I still having problems with "invalid sim". I'm from Argentina and here we don't have official service. PLEASE HELP ME, WHAT CAN I DO??? In Argentina is too expensive an iPhone 4S.

    I had already update mi new factory unlocked iPhone 4S to iOS 5.1.1 and I still having problems with "invalid sim". I'm from Argentina and here we don't have official service. PLEASE HELP ME, WHAT CAN I DO??? In Argentina is too expensive an iPhone 4S. Please I need help to continue believing in Apple. Thanks a lot. If anybody speak spanish better.  

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  • I would like to know how to get my iphone on if it goes into a no service mode and shows as invalid sim, I would like to know how to get my iphone on if it goes into a no service mode and shows as invalid sim

    I would like to know how to get my iphone on if it goes into a no service mode and shows as invalid sim, I would like to know how to get my iphone on if it goes into a no service mode and shows as invalid sim

    actually I found the solution :
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  • I just upgraded to 7.0.3 on my iphone 5 and now it won't let me make any calls and where it should say sprint in the top left corner it says invalid sim?

    my iphone 5 won't let me call anyone and it says invalid sim in the top left corner where it should say sprint. i do have wi-fi and i can send texts to people. does anybody knnow how to fix it?

    Did you purchase the music through the iTunes Store?
    The apps you have purchased can be downloaded for free from the App Store.
    http://support.apple.com/kb/HT2519

  • My iPhone just said "SIM failure" and now says Invalid SIM in the upper corner. What's this all about?

    My iPhone just said "SIM failure" and now says Invalid SIM in the upper corner. What's this all about?  Any ideas on how to resolve this.

    Looks like the Sim card had a catastrophic failure. Burnout, short somethng like that.
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  • HT5554 My phone keeps saying invalid SIM and doesn't work.  How do I fix this? I didn't even know iphones had SIM cards

    If i turn my phone off for a while and turn it back on, I will have service for a couple of minutes.  And then it says failure SIM or invalid SIM or no SIM. Then I have no service and can only use my phone with wifi making it no better than a ipod

    Could be a bad SIM card or an iPhone hardware problem.
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  • Due to invalid SIM card message can't run my iphone 4 after updating to iOS 7.0.2

    Hi,
    I updated my iphone 4 to iOS 7.0.2 and iTunes 11.1.1 but have not been started yet due to pops up a message " INVALID SIM CARD" though sim is active as well as pin is unlocked. Need your feedback soon.
    Regards
    Robin
    iPhone 4, iOS 7.0.2, iTunes 11.1.1
    <Personal Information Edited by Host>

    Remove the current sim, clean the contacts, re-install the sim.
    Contact your wireless provider and get a new sim.
    Has the iPhone been previoulsy jailbroken or modified to work with
    other than the original provider?
    FYI: Not wise to post your personal information in a public forum.

  • Iphone 5 invalid sim

    Just received new unlocked Iphone 5 from Apple store and getting "invalid sim" message with sim card still works ok in original Iphone 4. Have tried reinserting multiple times and all the reboot atempts advsed in some of the forums but still no good. Have done the full activation process with ITunes
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    Ocean20 is correct; the iPhone 4 and iPhone 5 use different-size SIMs, so there's no way you could be using the same SIM in both phones unless you have some sort of adapter to use a nano-SIM in a micro-SIM phone. Is that what you're doing?
    And in what country and from what store did you purchase this iPhone?

  • IPHONE 5 INVALID SIM ERROR SOLUTION READ THIS

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    Replace the SIM.

  • IPhone 5 factory unlocked, invalid sim

    My iPhone 5 was factory unlocked by T-Mobile Austria. I've got an unlocking guidance. I've made it through, but I get Invalid SIM error all the time. I've contacted T-Mobile several times, if they completed my request.Their answer was: AL_PENDING_UNLOCK The imei'01341600574xxx' is pending unlock. Any solutions?

    If you did not get the "Congratulations, your iPhone is unlocked" message when you restored iOS, then the unlock is NOT complete. Talk to the carrier again. You may also want to call AppleCare and ask them to check the unlock status in their system via the serial number before hand just so you have some ammunition.
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