Question about Apple iPhone Smartphone

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Iphone not recognizing SIM Card

Bought an unlocked iphone 1.1.4 6 months ago which worked perfectly fine with my Tmobile SIM card. Friday 7-11 I connected my iphone to Itunes and it prompt me about the new sofware 2.0 been released and needed to update my phone... After downloading the new sofware 2.0 my phone was completely stock on DFU mode; then I found the way how to downgraded back to 1.1.4, everything looked fine but when I insert my SIM card, all I get where the carrier signal bars and logo should show "....." or "No Service"; then I tried going into settings and choose a carrier but that option is gone as well.. Now I have a useless EXPENSIVE phone :( ....
Yesterday, I connected to Wi-Fi and download the Unlock SIM sofware from installer but the problem its not fix
Please Help

I bought an unlocked iPhone 2G and all was well until I was prompted to download and install iTunes 8. Now, iTunes gives me a message when synced to my phone, "The SIM card inserted in this iPhone does not appear to be supported." And my phone is stuck on a screen that has the iTunes logo and a USB connector underneath it with an arrow pointing to the iTunes logo. The Slider bar at the bottom will only allow emergency calls. No other functions work. Is there a way to revert back to the version of iTunes I had before? or a way to correct this?

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  • jimmy67683 Jan 09, 2009

    I have same problem that iphone doesnot recognize my sim card after download upgrade software. Anyone help me to solve this problem. thanks

  • kingkong_197 Mar 13, 2009

    Iphone not recognizing SIM Card



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  • 31 Answers

I recommend you restore your iPhone, if you don't know how, i'll be happy to walk you through it. After that, upgrade to the new firmware. After you have upgraded, unlock it with the newest PWNing software. That should fix your problwm.

Posted on Jan 09, 2009


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SOURCE: Iphone not recognizing SIM Card

please help

Posted on Oct 13, 2008

  • 2 Answers

SOURCE: Iphone 1.1.4 Unlocked

my iphone 2g is frozen, wont respond to touch and when plugged in to itunes it wont recognise sim.

Posted on Jul 12, 2009

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1 Answer


Your friend must have had her phone unlocked by some software like jailbreak.
This works fine so long as you don't reset it.
Unfortunately this information comes a little late for you but as it is your friend you bought it from maybe they could get it unlocked again or tell you how to do it?

Or maybe you could try yourself.

Remember Google is your friend and how to unlock 3g Iphone should give you more than enough results to find 1 that you can use.

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Well, first off, an iPhone won't work at all with a T-Mobile SIM card. American iPhones are locked to AT&T's network -- only AT&T SIM cards will work in them.

As far as activating it with AT&T, make sure that the iPhone isn't connected to the computer while you install iTunes. Once iTunes is installed, connect the iPhone to the computer and iTunes should launch automatically and begin the activation wizard. Just follow the instructions on the screen and answer the questions.

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