Jailbreak

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This is the process by which full execute and write access is obtained on all the partitions of the iPhone. It is done by patching /private/etc/fstab to mount the System partition as read-write. This is entirely different from an unlock. Jailbreaking is the first action that must be taken before things like unofficial activation (hacktivation), and unofficial unlocking can be applied.

The original jailbreak also included modifying the AFC service (used by iTunes to access the filesystem) to give full filesystem access from root. This was later updated to create a new service (AFC2) that allows access to the full filesystem.

Modern jailbreaks also include patching the kernel to get around code signing and other restrictions. See Kernel Patches.

NOTE: The legality of jailbreaking your device varies with each country/region. Wikipedia has a summary of legality for some countries.

Version numbers are the first to jailbreak and last is the last supported version. Last will only be listed if a newer version is out that does not support the device and iOS.

See Also

Exploits which were used in order to jailbreak 1.x

1.0.2

  • Restore Mode (iBoot had a command named cp, which had access to the whole filesystem)

1.1.1

1.1.2

  • Mknod (an upgrade jailbreak)

1.1.3 / 1.1.4 / 1.1.5

Exploits which are used in order to jailbreak 2.x

2.0 / 2.0.1 / 2.0.2 / 2.1

2.1.1

2.2

2.2.1

Exploits which are used in order to jailbreak 3.x

3.0 / 3.0.1

3.1 / 3.1.1

3.1.2

3.1.3

3.2

3.2.1

3.2.2

Exploits which are used in order to jailbreak 4.x

4.0 / 4.0.1

4.0.2

4.1

4.2.1

4.2.6 / 4.2.7 / 4.2.8

4.2.9 / 4.2.10

4.3

4.3.1 / 4.3.2 / 4.3.3

4.3.4 / 4.3.5

Exploits which are used in order to jailbreak 5.x

5.0

5.0.1

5.1

5.1.1

Exploits which are used in order to jailbreak 6.x

6.0 / 6.0.1 / 6.0.2 / 6.1 / 6.1.1 / 6.1.2

Jailbreak Tools

Apple TV 2G

Jailbreak Tool Works with firmware...
4.1/4.0 4.2/4.1 4.2.1/4.1.1 4.3/4.2 4.3/4.2.1 4.3/4.2.2 4.3 4.4/5.0 4.4.1/5.0 4.4.2/5.0 4.4.3/5.0.1 4.4.4/5.0.1 5.0/5.1 5.0.1/5.1.1 5.0.2/5.1.1 5.1/6.0 5.1.1/6.0.1 5.2/6.1 5.2.1/6.1.3 5.3/6.1.4
evasi0n No 1.0 No
greenpois0n no package management GUI No RC6-RC6.1 No
limera1n no package management GUI No
PwnageTool no package management GUI Restore from a custom firmware with unofficial bundle1 4.2 No 4.3-4.3.3.1 4.3-4.3.3.12 No 5.1.1 (no package management GUI) No
redsn0w No 0.9.6rc16 No 0.9.15b11 0.9.15b33
Seas0nPass (Mac) No 0.6.71 - 0.7.1 0.7.21 0.7.31 - 0.7.5 0.7.6.??? - 0.7.7.??? 0.7.8.??? 0.7.9.???1 0.7.9.2101 0.7.9.2301 0.7.9.2701 0.7.9.2901 - 0.8.0.320 0.8.3.4701 0.8.4.5181 - 0.8.5.555 0.8.6.565 No 0.8.9.655 No
Seas0nPass (Windows) No 0.3.7.???? 0.3.13.???? 0.3.29.???? - 0.3.45.4035 0.3.37.????1 0.3.42.33351 0.3.44.????1 0.3.45.40351 - 0.8.3.5592 0.8.3.55921 0.8.4.63061 - 0.8.5.6546 0.8.6.7558 No 0.8.9.11241 No
sn0wbreeze no package management GUI No 2.5-2.7.1 No 2.9.8 No
unthredera1n no package management GUI Yes No

1 Tethered jailbreak.
2 User needs to manually add PwnageTool firmware bundle into application.
3 Point at 6.0 IPSW. Also Tethered jailbreak.

Apple TV 3G

Jailbreak Tool Works with firmware...
5.0/5.1 5.0.1/5.1 5.0.2/5.1.1 5.1/6.0 5.1.1/6.0.1 5.2/6.1 5.2.1/6.1.3 5.3/6.1.4
Absinthe No
evasi0n No
redsn0w No
Seas0npass No
Sn0wbreeze No

Apple TV 3G Rev A

Jailbreak Tool Works with firmware...
5.2/6.1 5.2.1/6.1.3 5.3/6.1.4
Absinthe No
evasi0n No
redsn0w No
Seas0npass No
Sn0wbreeze No

Jailbreak/Deprecated iPads

iPad 2

Jailbreak Tool Works with firmware...
4.3 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 5.0 5.0.1 5.1 5.1.1 6.0 6.0.1 6.1 6.1.2 6.1.3
Absinthe No 0.2-0.4 No 2.01-2.0.4 No
evasi0n No 1.0 1.4 No
redsn0w No 0.9.10b7-0.9.11b4 No 0.9.12b1 No
Saffron No Yes No

1 Not compatible with iPad 2 (Wi-Fi) Rev A

iPad 3

Jailbreak Tool Works with firmware...
5.1 5.1.1 6.0 6.0.1 6.1 6.1.2 6.1.3
Absinthe No 2.0-2.0.4 No
evasi0n No 1.0 1.4 No
redsn0w No 0.9.12b1 No

iPad 4

Jailbreak Tool Works with firmware...
6.0 6.0.1 6.1 6.1.2 6.1.3
evasi0n 1.0 1.4 No

iPad mini 1G

Jailbreak Tool Works with firmware...
6.0 6.0.1 6.0.2 6.1 6.1.2 6.1.3
evasi0n 1.0 1.4 No

Jailbreak/Deprecated iPhones

iPhone 4 (GSM model)

Jailbreak Tool Works with firmware...
4.0 4.0.1 4.0.2 4.1 4.2.1 4.3 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 5.0 5.0.1 5.1 5.1.1 (9B206) 5.1.1 (9B208) 6.0 6.0.1 6.1 6.1.2 6.1.3
Absinthe No 2.0 2.0.2 No
evasi0n No 1.0 1.4 No
greenpois0n No RC4 RC5-RC6.1 No
limera1n Yes No
PwnageTool No 4.1-4.1.3 4.2 4.21 3 4.3 4.3.2 4.3.3-4.3.3.1 4.3.31 3 5.0.1 No 5.1.1 No
redsn0w No 0.9.6b2-0.9.6rc16 0.9.6b41-0.9.6rc16
or 0.9.7b61 2
0.9.6rc91-0.9.6rc161 0.9.6rc91-0.9.6rc16 0.9.6rc131-0.9.6rc16 0.9.6rc16 0.9.8b31 0.9.8b71 0.9.9b31 0.9.10b6 0.9.10b61 0.9.12b1-0.9.14b2 0.9.15b11 0.9.15b14
Saffron No Yes No
sn0wbreeze No 2.1 2.2 2.3b41 2.5 2.6-2.6.1 2.7-2.7.1 No 2.8b81 2.9.1 No 2.9.6 2.9.8 2.9.10 2.9.141
Star Yes No
unthredera1n No Yes No

1 Tethered jailbreak.
2 If SHSHs were saved for iOS 4.2b3 and if you have a developer access to its IPSW, Jailbreak Monte can be used.
3 Requires an unofficial firmware bundle.
4 Requires pointing redsn0w at 6.0 IPSW. Also Tethered jailbreak.

iPhone 4 (GSM Rev A model)

Jailbreak Tool Works with firmware...
6.0 6.0.1 6.1 6.1.2 6.1.3
evasi0n 1.0 1.4 No
redsn0w 0.9.15b3
sn0wbreeze 2.9.8 2.9.10 2.9.141

Must point redsn0w at the 6.0 IPSW. Tethered.

iPhone 4 (CDMA model)

Jailbreak Tool Works with firmware...
4.2.5 4.2.6 4.2.7 4.2.8 4.2.9 4.2.10 5.0 5.0.1 5.1 5.1.1 6.0 6.0.1 6.1 6.1.2 6.1.3
Absinthe No 2.0 No 2.0 No
evasi0n No 1.0 1.4 No
greenpois0n No RC5 b4-RC6.1 No
PwnageTool No 4.2 No 4.22 No 5.0.1 No
redsn0w No 0.9.6rc9-0.9.10b8b 0.9.8b2-0.9.10b8b 0.9.6rc18-0.9.10b8b 0.9.8b31-0.9.10b8b1 0.9.8b71-0.9.10b8b1 0.9.9b31-0.9.10b8b1 0.9.9b91-0.9.10b8b 0.9.10b61-0.9.10b8b1 0.9.12b1 0.9.14b11 0.9.15b33
Saffron No Yes No
sn0wbreeze No 2.2-2.9.3 2.6-2.9.3 2.7-2.9.3 No 2.8b91-2.9.31 2.8b111-2.9.3 2.9.21-2.9.31 2.9.7 2.9.8 2.9.10 2.9.141
unthredera1n No Yes No

1 Tethered jailbreak.
2 Requires unofficial bundle.
3 Requires pointing redsn0w at 6.0 IPSW. Also Tethered jailbreak.

iPhone 4S

Jailbreak Tool Works with firmware...
5.0 5.0.1 (9A405) 5.0.1 (9A406) 5.1 5.1.1 6.0 6.0.1 6.1 6.1.1 6.1.2 6.1.3
Absinthe 0.1.2-1 No 2.0 No
evasi0n No 1.0 1.3 1.4 No
redsn0w No 0.9.10b7 0.9.11b2 No 0.9.12b1 No

iPhone 5

Jailbreak Tool Works with firmware...
6.0 6.0.1 6.0.2 6.1 6.1.2 6.1.3 6.1.4
evasi0n 1.0 1.4 No

Jailbreak/Deprecated iPod touches

iPod touch 5G

Jailbreak Tool Works with firmware...
6.0 6.0.1 6.1 6.1.2 6.1.3
evasi0n 1.0 1.4 No