Trying to Unjailbreak, upgrade and rejailbreak, no luck...

rosenstar

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Apr 14, 2011
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I can't install the upgrade from my phone. It downloads, gets to about 5ish minutes remaining, and jumps back to 30 min remaining. I know I can run the upgrade through itunes, but I have 32 gigs of music on my phone that's currently not backed up, so I'm hesitant to go through itunes.

Advice?
 
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