Imagine iPhone with ATT ? This video tutorial has instructions on how to unlock the iPhone, insert any other SIM card and activate the phone for dialing, wi-fi, web browsing, iPod and more.
Unlocked iPhone is not covered by Apple warranty. Make sure you close the iTunes Helper process before upgrading the iPhone firmware software via Jailbreak method.
Turn your iphone off, and then remove the SIM card by pushing a paper clip into the little hole near the power button. Turn the iphone back on, and click the “Unlock” icon on your iphone screen.
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