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Apple Mobile Products: iPhone, iPad, iPod
iOS and Apps
Upgrading Unlocked iPhone 3GS to 4.2.1
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<blockquote data-quote="Weiser878" data-source="post: 1146433" data-attributes="member: 180278"><p>Right now, even with a custom IPSW there is no unlock available. </p><p></p><p>In order to upgrade to a newer iOS (4.0-4.1) you'd already need that IPSW and SHSH blobs for 4.0.1. And it has to be a custom IPSW, even though someone probably has it on their computer from a past upgrade, Apple stops signing them soon after a new update comes out. </p><p></p><p>Seriously, if you have to unlock, you'd better wait. </p><p></p><p>Sorry</p></blockquote><p></p>
[QUOTE="Weiser878, post: 1146433, member: 180278"] Right now, even with a custom IPSW there is no unlock available. In order to upgrade to a newer iOS (4.0-4.1) you'd already need that IPSW and SHSH blobs for 4.0.1. And it has to be a custom IPSW, even though someone probably has it on their computer from a past upgrade, Apple stops signing them soon after a new update comes out. Seriously, if you have to unlock, you'd better wait. Sorry [/QUOTE]
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Apple Mobile Products: iPhone, iPad, iPod
iOS and Apps
Upgrading Unlocked iPhone 3GS to 4.2.1
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