Tutorial to update from 4.0.x to 4.1 WITHOUT updating your baseband!

Discussion in 'Jailbreaks and iOS Hacks' started by ikarus79m, Sep 8, 2010.

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ikarus79m, Sep 8, 2010
ikarus79m macrumors member

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Sep 30, 2006
#1

Notcom (creator of TinyUmbrella) just linked to this tutorial explaining how to upgrade to iPhone 4.1 without upgrading your baseband so that you won't piss away your unlock!

http://tap4.us/k7d (via http://thefirmwareumbrella.blogspot.com/)

Just did it and it worked for me!
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soundwarp, Sep 8, 2010
soundwarp macrumors regular

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Jul 4, 2009
#2

will this work on windows?
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savior1974, Sep 8, 2010
savior1974 macrumors regular

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Feb 17, 2009
#3

That tutorial forgot a very critical step.

After step 3:

You have to save the SHSH files for 4.1 before you can do an upgrade with Tiny Umbrella.

Click on advanced settings, in the device/version box, select iPhone 4 4.1, then click Save my SHSH.

Then proceed to step 4.
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