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Iphone 3gs settings change needed

144 Views 3 Replies Latest reply: Jan 4, 2013 1:57 PM by KiltedTim RSS
JimSo Calculating status...
Currently Being Moderated
Jan 4, 2013 7:35 AM

Lost my first question. I bought a used 3gs.Got AT&T to unlock. Had already been upgraded to ios 6.0.1. Internet instructions said needed to downgrade to 5.1.1 to change APN settings. In order to do this needed to have saved SHSH blobs from 5.1.1 but phone had already been upgraded before I got it so I wasn't able to get the SHSH blobs. How can I get the APN settings changed to my carrier?

iPhone 3GS, iOS 6.0.1
  • KiltedTim Level 8 Level 8 (35,865 points)
    Currently Being Moderated
    Jan 4, 2013 10:16 AM (in response to JimSo)

    Downgrading is not possible. Attempting to do so will void any warranty and forfeit your right to support.

     

    What carrier are you attempting to use? AT&T is the only supported GSM carrier in the US.

  • KiltedTim Level 8 Level 8 (35,865 points)
    Currently Being Moderated
    Jan 4, 2013 1:57 PM (in response to JimSo)

    Straighttalk piggybacks on the AT&T network. The phone thinks it is on AT&T and will not allow you to change the settings because it believes there is no need to.

     

    Search these forums or Google. I believe you will need to insert a different carriers SIM (e.g. T-Mobile) before those options will appear.

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