Three weeks ago, we reported comex will be the perfect Christmas release4.2.1 , but for some reason failed to achieve this goal. Dev Team then used a “backup plan”, with 4.2b3 for the perfect escape, but iOS 4.2b3 open only to developers, there are still many problems.
MuscleNerd: If comex developed the perfect iOS 4.2.1 jailbreak, please save all their iOS 4.2.1
So if comex perfect issued iOS 4.2.1 jailbreak, you need to save iOS 4.2.1 firmware and SHSH for iOS 4.3 perfect escape.
A bit confused? There is further explanation. The currentescape the Limera1n use in Geohot developed based on the same vulnerabilities, but this loophole is not the perfect escape, with the help of Caixing need another loophole. Comex is now crack this vulnerability.
Now we can use Redsn0w 0.9.7v jailbreak for the full range of equipment, but the Dev Team has discovered vulnerabilities may comex iOS perfect for the next escape, so you need to save iOS 4.2.1 firmware and SHSH to iOS of future The perfect Jailbreak