iPhone software update version 2.2.1 does not break the iPhone Dev Team’s methods of jailbreak. However, 2.2.1 does break the 3G software unlock.
previously we talked about the release & download links for iphone 2.2.1 Update check here.
“There is an iPhone and iPod update available in iTunes – it is numbered 2.2.1 (5H11a). Please DO NOT update. We will investigate and report back to you ASAP,” says the team on its blog. A video explaining what the update means is also available on behalf of the dev team.
Edit : iPhone Dev Team released Pwnage & Quickpwn tool for 2.2.1 Download here
According to cash7c3 founder of MMI.
– 2.2.1 does not break the dev team’s methods of jailbreak;
– 2.2.1 breaks the 3g software unlock;
– 2.2.1 does not break iPhone 2G unlock since the 2G baseband is not updated.
Those who benefit from using a jailbroken device are advised to wait until the dev team comes up with a solution to upgrade to 2.2.1 without losing the unlock.
It is also rumored that Dev team will comes with a new version of Quickpwn so wait & watch.