"could not activate cellular data network" error message for Edge access

I have the 1st gen iphone and also preordered the 3gs which is being delivered tomorrow. I went ahead and upgraded my iphone this morning to 3.0 just to start playing around with it. For some reason my data plan got deactivated. I validated that on the website and got an error message when trying to re-enable the $20/month data feature saying the feature wasn't compatible with my device. I can only assume this is related to ATT changing their records showing I now own the 3gs and need to enable the $30/month data feature. Wifi works thankfully. I decided to just forget it and hope everything activates correctly tomorrow when my 3gs arrives. So beware if you are in the same situation. There's lots of posts with this problem when I Googled it.

If you have the sim version (AT&T in the US), did you purchase a sim card from your carrier, insert it and buy data?  If you have CDMA version (Verizon in the US), have you contacted your carrier to set up a data plan?

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    Try to switch Off mms service ...
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    All iPhones sold in Japan are sold carrier locked and cannot be officially unlocked by the carrier. If you unlocked it, it was by unauthorized means (hacked), and support cannot be given to you in this forum.
    Hacked iPhones are subject to countermeasures by Apple, particularly when updating the firmware. It is likely permanently re-locked or permanently disabled.
    Message was edited by: modular747

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    Hello, romac12. 
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    http://support.apple.com/kb/ts3780
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    Where did you purchase it from?  There are lots of iPhones sold as "unlocked" which are carrier locked phones that were hacked and are not officially unlocked.  These phones are subject to re-locking to the original carrier, particularly when updated.

  • My iPad2 has error message "Could not activate cellular data network : PDP authentication failure"

    My iPad2 has error message "Could not activate cellular data network : PDP authentication failure"

    All iPhones sold in Japan are sold carrier locked and cannot be officially unlocked by the carrier. If you unlocked it, it was by unauthorized means (hacked), and support cannot be given to you in this forum.
    Hacked iPhones are subject to countermeasures by Apple, particularly when updating the firmware. It is likely permanently re-locked or permanently disabled.
    Message was edited by: modular747

  • ERROR: Could not activate cellular data network: PDP authentication failure

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    Everything was working fine until yesterday when i started getting this error message: "Could not activate cellular data network: PDP authentication failure"
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    All iPhones sold in Japan are sold carrier locked and cannot be officially unlocked by the carrier. If you unlocked it, it was by unauthorized means (hacked), and support cannot be given to you in this forum.
    Hacked iPhones are subject to countermeasures by Apple, particularly when updating the firmware. It is likely permanently re-locked or permanently disabled.
    Message was edited by: modular747

  • HT4623 My new iPad can no longer connect to the 3G network. I keep getting the message "could not activate cellular date network".

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    No. You can't

  • I Have a iPhone 4s and I keep getting this error "Could not activate cellular data network" I have sprint and to use any internet om my iphone i have to connect to wifi. What do i do to fix my celluar connection. I took my sim card and put it back in.

    I Have a iPhone 4s and I keep getting this error "Could not activate cellular data network" I have sprint and to use any internet om my iphone i have to connect to wifi. What do i do to fix my celluar connection. I took my sim card and put it back in and it still didnt work.

    Davidb24 wrote:
    Ok but im not the one who pays tge sprint bill
    Apparently, no one pays it... That's why they shut off your service.

  • Could not activate cellular data network message

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    I had this problem at 1st with t-mobile 3g
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    Message was edited by: r.spiroski

    I am having similar problems.
    My network settings are correct and I can communicate both over 3G and WiFi.
    However, every few minutes the connection is being dropped. A few seconds later it's back again. I can see this in an application I am developing. It's rather frustrating...
    In the console I see this message prior to the connection being lost and rebuilt:
    "Mon Sep 20 09:44:58 PeterVs-iPhone-3GS configd[23] <Notice>: network configuration changed."
    I have not changed anything to the configuration. What's even more strange is that I ONLY have 3G at this moment, i.e. WiFi is disabled.
    What is changing the network configuration? And why does it mean that the current network connection needs to be torn down and rebuilt? After the network is back, there is no difference than before. So it gets torn down and rebuilt for no apparent reason.
    I have logged a bug with Apple over a week ago, but haven't had any reply from them yet. I need more information about what is happening, and how I can prevent it. I'm not very happy having to grope in the dark, having to make guesses because somebody decided that he knows what's best for me.
    This is happening on multiple iPhones with multiple different OS-es. So I am guessing it is related to my carrier (Vodafone). But I can't verify it because I'm not getting the tools from Apple.

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