Date Published Method IOS Version Baseband Link Notes
April 2011 redsn0w 4.3.1 XXX http://www.ziphone.org/2011/04/untethered-jailbreak-ios-431-on-iphone_06.html Jailbreak instructions only unlock instructions soon
March 2011 SIM Card 4.3 upto 04.10.01 http://www.ziphone.org/2011/03/unlock-iphone-4-for-70-using-gevey-sim.html Need to repeat the unlock process if the battery/Power runs out or reset *
November 2010 Cydia/Ultrasn0w 4.2.1 06.15.00 http://www.iclarified.com/entry/index.php?enid=4253 Needs Jailbreaking first
July 2010 sn0wbreeze 4.1 XXXX http://www.mascobz.com/easily-unlock-iphone-4-step-by-step-instructions

The Gevey SIM Card is 75$ and you will have to cut the SIM card to fit.

http://ih8sn0w.com/index.php/products/view/f0recast.snow (List of unbreakable basebands)


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