1. sickrat89's Avatar
    Hi guys,

    I have an iPhone 4s and I am trying to unlock it!

    I have jailbroken it with Absinthe, and when I use Cydia to get ultrasn0w to install I get the following message when the script runs:

    Sub-process /usr/bin/dpkg returned an error code (1)

    and further down it ends with:

    subprocess post-installation script returned error exit 255.


    Can anyone help shed some light on what this means and how to fix it???


    I've already tried resetting and re-jailbreaking my device but comes up with the same issue.

    Thanks for your help
    2012-03-08 02:02 AM
  2. iNFAMOUSxPz's Avatar
    4S is not unlock-able with ultrasn0w. You would need something like GEVEY Ultra S to unlock iPhone 4S.
    2012-03-08 03:03 AM
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