Jailbreak/4.x

iOS

iOS	Jailbreak Tool	Tool Version	Device
iOS	Jailbreak Tool	Tool Version	iPad	iPad 2	iPhone 3G	iPhone 3GS	iPhone 4 (iPhone3,1)	iPhone 4 (iPhone3,3)	iPod touch (2nd generation)	iPod touch (3rd generation)	iPod touch (4th generation)
4.0	gala		—		No	No	Yes	—	No		—
	ipwndfu					Yes	No		No
	limera1n	1.0				Yes			No	Yes
	PwnageTool	4.0-4.01			Yes	Yes^{[4.x_i 1]}	No		Yes^{[4.x_i 2]}	No
	redsn0w	0.9.5b3-0.9.6b3			Yes	No			Yes^{[4.x_i 2]}	No
	sn0wbreeze	1.6-2.9.14			Yes				Yes
	Star (JailbreakMe 2.0)
	Legacy iOS Kit
4.0.1	ipwndfu		—		No	Yes	No	—
	limera1n	1.0				Yes
	PwnageTool	4.0				Yes^{[4.x_i 1]}^{[4.x_i 3]}	No
	redsn0w	0.9.5b3-0.9.6b3			Yes	No
	sn0wbreeze	1.6-2.9.14			Yes
	Star (JailbreakMe 2.0)
	Legacy iOS Kit
4.0.2	ipwndfu		—		No	Yes	No	—	No		—
	limera1n	1.0				Yes			No	Yes
	PwnageTool	4.0				Yes^{[4.x_i 1]}^{[4.x_i 3]}	No		No
	redsn0w	0.9.5b3/0.9.6b3			Yes	No			Yes^{[4.x_i 2]}	No
	sn0wbreeze	2.0.2-2.9.14			Yes				Yes
	Star (JailbreakMe 2.0)				Yes^{[4.x_i 4]}				Yes^{[4.x_i 4]}
	Legacy iOS Kit				Yes				Yes
4.1	greenpois0n	RC5-RC6.1	Yes	—	No	Yes		—	Yes
	ipwndfu		No			Yes	No		No
	limera1n	1.0	Yes			Yes			Yes
	PwnageTool	4.1-4.1.3			Yes		No
	redsn0w	0.9.6b1-0.9.10b8b			Yes
	sn0wbreeze	2.1-2.9.5			Yes
	Star (JailbreakMe 2.0)		Yes^{[4.x_i 4]}		Yes^{[4.x_i 4]}				Yes^{[4.x_i 4]}
	Legacy iOS Kit		Yes		Yes				Yes
4.2.1	greenpois0n	RC5-RC6.1	Yes	—	No	Yes		—	Yes
	ipwndfu				No	Yes	No		No
	PwnageTool	4.2			Yes				No	Yes
	redsn0w	0.9.6b1-0.9.11b4							Yes
	sn0wbreeze	2.2-2.9.14							Yes
	Star (JailbreakMe 2.0)		Yes^{[4.x_i 4]}		Yes^{[4.x_i 4]}				Yes^{[4.x_i 4]}
	Legacy iOS Kit		Yes		Yes				Yes
4.2.5	Star (JailbreakMe 2.0)		—					Yes^{[4.x_i 4]}	—
4.2.5	Legacy iOS Kit		—					Yes	—
4.2.6	greenpois0n	RC5 b4-RC6.1	—					Yes	—
	PwnageTool	4.2
	redsn0w	0.9.6rc9-0.9.10b8b
	Saffron (JailbreakMe 3.0)
	sn0wbreeze	2.2-2.9.14
	Star (JailbreakMe 2.0)							Yes^{[4.x_i 4]}
	unthredeh4il							Yes
	Legacy iOS Kit							Yes
4.2.7	redsn0w	0.9.8b2-0.9.10b8b	—					Yes	—
	Saffron (JailbreakMe 3.0)
	sn0wbreeze	2.6-2.9.14
	Star (JailbreakMe 2.0)							Yes^{[4.x_i 4]}
	unthredeh4il							Yes
	Legacy iOS Kit							Yes
4.2.8	PwnageTool	4.2	—					Yes	—
	redsn0w	0.9.6rc18-0.9.10b8b
	Saffron (JailbreakMe 3.0)
	sn0wbreeze	2.7-2.9.14
	Star (JailbreakMe 2.0)							Yes^{[4.x_i 4]}
	unthredeh4il							Yes
	Legacy iOS Kit							Yes
4.2.9	redsn0w	0.9.8b3-0.9.10b8b	—					Tethered	—
	Star (JailbreakMe 2.0)							Yes^{[4.x_i 4]}
	unthredeh4il							Yes
	Legacy iOS Kit							Yes
4.2.10	redsn0w	0.9.8b7-0.9.10b8b	—					Tethered	—
	Star (JailbreakMe 2.0)							Yes^{[4.x_i 4]}
	unthredeh4il							Yes
	Legacy iOS Kit							Yes
4.3	ipwndfu		No		—	Yes	No	—		No
	PwnageTool	4.2	No			Yes^{[4.x_i 3]}^{[4.x_i 5]}	Tethered^{[4.x_i 3]}			No
	redsn0w	0.9.6rc9-0.9.11b4	Tethered	No		Yes				Tethered
	Saffron (JailbreakMe 3.0)		Yes							Yes
	sn0wbreeze	2.3b4-2.9.14	Yes							Yes
	Star (JailbreakMe 2.0)		Yes^{[4.x_i 4]}			Yes^{[4.x_i 4]}				Yes^{[4.x_i 4]}
	unthredeh4il		Yes			Yes				Yes
	Legacy iOS Kit		Yes	Semi-tethered		Yes				Yes
4.3.1	ipwndfu		No		—	Yes	No	—		No
	PwnageTool	4.3	Yes	No		Yes				Yes
	redsn0w	0.9.6rc9-0.9.11b4								Yes
	Saffron (JailbreakMe 3.0)									No	Yes
	sn0wbreeze	2.5-2.9.14								Yes
	unthredeh4il									Yes
	Legacy iOS Kit		Yes	Semi-tethered		Yes				Yes
4.3.2	ipwndfu		No		—	Yes	No	—		No
	PwnageTool	4.3.2	Yes	No		Yes				Yes
	redsn0w	0.9.6rc13-0.9.11b4
	Saffron (JailbreakMe 3.0)
	sn0wbreeze	2.6-2.9.14
	unthredeh4il
	Legacy iOS Kit		Yes	Semi-tethered		Yes				Yes
4.3.3	ipwndfu		No		—	Yes	No	—		No
	PwnageTool	4.3.3-4.3.3.1	Yes	No		Yes				Yes
	redsn0w	0.9.6rc16-0.9.11b4	Yes	No
	Saffron (JailbreakMe 3.0)		Yes
	sn0wbreeze	2.7-2.9.14	Yes	No
	unthredeh4il		Yes	No
	Legacy iOS Kit		Yes	Semi-tethered		Yes				Yes
4.3.4	ipwndfu		No	No	—	Yes	No	—		No
	redsn0w	0.9.8b3-0.9.11b4	Tethered			Tethered				Tethered
	unthredeh4il		Yes			Yes				Yes
	unthredera1n		Yes			Yes				Yes
	Legacy iOS Kit		Yes	Semi-tethered		Yes				Yes
4.3.5	ipwndfu		No	No	—	Yes	No	—		No
	redsn0w	0.9.8b7-0.9.11b4	Tethered			Tethered				Tethered
	unthredeh4il		Yes			Yes				Yes
	unthredera1n		Yes			Yes				Yes
	Legacy iOS Kit		Yes	Semi-tethered		Yes				Yes

^ ^a ^b ^c Will only work for iPhone 3GS running the old bootrom.
^ ^a ^b Will only work for iPod touch (2nd generation) running the old bootrom.
^ ^a ^b ^c ^d An unofficial firmware bundle for this version must be manually added.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q Star can be modified to support 4.0.2-4.3, because Apple did not correctly patch the exploits used.
^ Tethered jailbreak for any iPhone 3GS with the new bootrom. Untethered for the old bootrom.

Apple TV

Note: "Marketing Version" is the version that the Apple TV reports in its "About" screen.

Marketing Version	iOS Version	Jailbreak Tool	Tool Version	Device
Marketing Version	iOS Version	Jailbreak Tool	Tool Version	Apple TV (2nd generation)
4.0	4.1	greenpois0n	RC6	Yes^{[4.x_atv 1]}
		limera1n	1.0
		PwnageTool	4.1
		Seas0nPass	?	Yes
		sn0wbreeze	2.1	Yes^{[4.x_atv 1]}
		unthredeh4il		Yes^{[4.x_atv 1]}
4.1	4.2	PwnageTool	?	Yes^{[4.x_atv 2]}
		Seas0nPass	?	Yes
		unthredeh4il		Yes
4.1.1	4.2.1	greenpois0n	RC6-RC6.1	Yes
		PwnageTool	4.2
		Seas0nPass	0.6.7 (Mac)
		Seas0nPass	? (Windows)
		unthredeh4il
4.2	4.3	Seas0nPass	0.7.2 (Mac)	Yes
		Seas0nPass	? (Windows)
		unthredeh4il
4.2.1	4.3	PwnageTool	4.3-4.3.3.1	Yes
		redsn0w	0.9.6rc16
		Seas0nPass	0.7.3 (Mac)
		Seas0nPass	0.3.7.13.2017 (Windows)
		sn0wbreeze	2.5-2.7.1
		unthredeh4il
4.2.2	4.3	PwnageTool	4.3-4.3.3.1	Yes^{[4.x_atv 2]}
		Seas0nPass	0.7.6.??? (Mac)	Yes
		Seas0nPass	0.3.13.2017 (Windows)
		unthredeh4il
4.3		Seas0nPass	0.7.8.??? (Mac)	Yes
		Seas0nPass	0.3.29.???? (Windows)
		unthredeh4il

^ ^a ^b No package management GUI.
^ ^a ^b A firmware bundle for this version must be manually added.

[oldboot3gs-1] Will only work for iPhone 3GS running the old bootrom.

[oldboot-2] Will only work for iPod touch (2nd generation) running the old bootrom.

[bundle-3] An unofficial firmware bundle for this version must be manually added.

[modifiedstar-4] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q Star can be modified to support 4.0.2-4.3, because Apple did not correctly patch the exploits used.

[newboot-5] Tethered jailbreak for any iPhone 3GS with the new bootrom. Untethered for the old bootrom.

[nogui-6] No package management GUI.

[bundle-7] A firmware bundle for this version must be manually added.

[4.x_i 1]

[4.x_i 2]

[4.x_i 3]

[4.x_i 4]

[4.x_i 5]

[4.x_atv 1]

[4.x_atv 2]