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thanks... I just got burnt last time on the apple upgrade. I know this is different but I had to ask.
 
So if you unlocked your phone with ultrasn0w, on a 3G, and are running the 3.0 update.... It's 100% safe to upgrade ultrasn0w in Cydia?

This is my first time dealing with an iPhone and don't want to mess it up.

Thanks.
 
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