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I recently purchased an AT&T branded 7280 to use with a Cingular SIM. I unlocked ... Blackberry 7700/7200 & older forum

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    jodester's Avatar
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    7280 "Initialization Failed"

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    I recently purchased an AT&T branded 7280 to use with a Cingular SIM. I unlocked the 7280 vie a remote unlock service and everything worked fine. I decided to upgrade the software from v3.7 to v4.0 which seemed to go ok, except that now whenever I put any brand of SIM Card in, it boots up to say "Initialization Failed"
    When I input the MEPD command, I get all "unknown" and it states invalid sim. All the SIM cards I am using works in other BB's and phones.

    I tried using the JavaLoader to clear out the unit and install different version of software all to no avail.

    Would someone be so kind to help me out?

  2. #2
    cp6169's Avatar
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    Re: 7280 "Initialization Failed"

    Have you tried to reload the previous OS you had before the unlock?

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    jodester's Avatar
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    Re: 7280 "Initialization Failed"

    Yes, I have tried several versions all to no avail......

    Someone must have some suggestions....

    Once I unlocked it, I tried several sim cards in it and made sure it would dial out.

    Now I have a dud BB...

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    Re: 7280 "Initialization Failed"

    Quote Originally Posted by jodester
    Yes, I have tried several versions all to no avail......

    Someone must have some suggestions....

    Once I unlocked it, I tried several sim cards in it and made sure it would dial out.

    Now I have a dud BB...
    I think it's a physical problem with the device. You might try cleaning the handheld's SIM contacts, but I think the unit is possibly kaput. I'm curious why you unlocked an AT&T device to accept a Cingular card? They're the same company -- is it that on older devices the unlock is necessary? Just curious --

  5. #5
    jodester's Avatar
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    Re: 7280 "Initialization Failed"

    It was from before the merger.. The blackberry worked fine before I updated to OS.

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