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My factory unlocked iPhone (AT&T) doesn't recognize my SIM card

Fellow Apple users,

I recently got my iPhone factory unlocked by filling the AT&T online iPhone unlock request form. I got a confirmation email from then & I waited 24 hours before doing a restore on my phone.

It tool me some time to upgrade to latest iTunes on my machine & latest iOS on my phone. All wen well until I reached the iPhone configuration wizard. After setting the language, region & Wi-Fi connection, attempts to activate the iPhone times out while contacting the Apple servers. I tried connecting through iTunes as well but it's been consitently throwing an error -

"There is no SIM installed in the iPhone you are attempting to activate. Please disconnect & insert a SIM card in your phone".

I tried disconnecting & reconnecting multiple times but with no luck.

Have any of you faced this issue & know how to get out of this? Any help would be appreciated.

Regards,

Shaz L.

iPhone 3GS

Posted on Oct 14, 2012 8:31 PM

23 replies

fomf

Level 1

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Jan 24, 2013 8:23 PM in response to KiltedTim

not true, mine was also jailbroke and restored and was still able to get factory unlocked. Robert

fomf

Level 1

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Jan 24, 2013 8:46 PM in response to Shaz L

don't buy a new one just yet!! read the post I sent you!! Robert

KiltedTim

Level 10

196,335 points

Jan 25, 2013 2:54 AM in response to fomf

You might want to look at the date stamps on the posts you're responding to.

fomf

Level 1

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Jan 25, 2013 5:34 AM in response to KiltedTim

You're absolutely right, my bad. I don't usually get on forums but I just last evening had to deal with the problem and was surprised someone else was experiencing it also. Again my bad, Robert

Message was edited by: fomf

ChinoRD

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Feb 17, 2013 7:55 PM in response to fomf

I am having a similar issue after I restored my iphone 3g. I am able to see the desktop but the phone will not recognize my carrier, it does not says invalid sim or no service, just when I check on settings, general, about, it says carrier not available. The phone was unlocked, jailbroken. I tried to restore it because it was acting weird (volume key not responding, etc).

Version 4.1

Modem firmware 5.15.04

I appreciate any help and thanks in advance.

KiltedTim

Level 10

196,335 points

Feb 18, 2013 2:58 AM in response to ChinoRD

ChinoRD wrote:

The phone was unlocked, jailbroken.

And if you actually read the terms of service here, or spent a few minutes searching the forums, you would know that discussing jailbroken/hacked phones is forbidden by the terms of service.

You can not get help here.

Find an answer elsewhere or buy a new phone.

purvak

Level 1

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Nov 12, 2013 8:01 AM in response to rjb000

hi , i've got the same problem , my iphone 3gs is on "airplane mode" while activating ,but now how can i get back and switch it off?

Nov 18, 2013 10:46 PM in response to susylia

http://youtu.be/hPfJN8KGicc

I found this very useful. My dad somehow got my old phone stuck where I couldn't do anything and this allowed me to restore to factory settings.

My factory unlocked iPhone (AT&T) doesn't recognize my SIM card