Jailbreak/2.x

iPhone OS

iPhone OS	Jailbreak Tool	Tool Version	Device
iPhone OS	Jailbreak Tool	Tool Version	iPhone	iPhone 3G	iPod touch	iPod touch (2nd generation)
2.0	PwnageTool	2.0-2.0.3	Yes			—
2.0	QuickPwn	RC3-2.2.5	Yes	No	Yes	—
2.0.1	PwnageTool	2.0.2-2.0.3	Yes			—
2.0.1	QuickPwn	RC3-2.2.5	Yes	No	Yes	—
2.0.2	PwnageTool	2.0.3	Yes			—
2.0.2	QuickPwn	RC3-2.2.5	Yes	No	Yes	—
2.1	PwnageTool	2.1-2.2.5	Yes			—
2.1	QuickPwn	2.1-2.2.5	Yes	No	Yes	—
2.1.1	redsn0w Lite		—			Tethered^{[2.x 1]}
2.2	PwnageTool	2.2-2.2.5	Yes			No
2.2	QuickPwn	2.2-2.2.5	Yes	No	Yes	No
2.2.1	PwnageTool	2.2.1-2.2.5	Yes			No
	QuickPwn	2.2.1-2.2.5	Yes	No	Yes	No
	redsn0w	0.3	No			Yes

^ Tethered for devices running the old bootrom only. Will not work for devices on the new bootrom (new bootrom devices cannot run iPhoneOS 2, only 3).