Sn0wbreeze 2.2 For Windows: iOS 4.2.1 Untethered Jailbreak For iPhone, iPad & iPod Touch Released; F

i have iphone 3gs on 5.15.04 and on ios 4.1 which is’nt unlocked yet. can i update my baseband to 6.15.0 using redsnow and later can i again use snowbreeze 2.2 so dat i will get an untethered jailbreak and hence can also can unlock as i have ultrasnow sup

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