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Difference between revisions of "Untethered jailbreak"
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Devices with a newer bootrom, which include some [[N88ap|iPhone 3GS]] units, "MC" model [[N72ap|iPod touch 2G]] units, [[N18ap|iPod touch 3G]] units, and [[N90ap|iPhone 4]] units can't have a untethered jailbreak by [[PwnageTool]], as they would need the signature checks patched since they don't have the [[0x24000_Segment_Overflow|24kPwn]] exploit anymore. |
Devices with a newer bootrom, which include some [[N88ap|iPhone 3GS]] units, "MC" model [[N72ap|iPod touch 2G]] units, [[N18ap|iPod touch 3G]] units, and [[N90ap|iPhone 4]] units can't have a untethered jailbreak by [[PwnageTool]], as they would need the signature checks patched since they don't have the [[0x24000_Segment_Overflow|24kPwn]] exploit anymore. |
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| − | However, it is possible to perform a untethered jailbreak on any device with any firmware version between 3.1.2 and 4.0.1 using [[Jailbreakme]] (This include any [[K48ap|iPad]] models, running 3.2 or 3.2.1). |
+ | However, it is possible to perform a untethered jailbreak on any device with any firmware version between 3.1.2 and 4.0.1 using [[Jailbreakme]] (This include any [[K48ap|iPad]] models, running 3.2 or 3.2.1). This new revision, codenamed "[[Star]]", stores some code inside the device's VRAM in order to perform the untethered part of the jailbreak. It can be seen as some colored pixels right before the [[SpringBoard]] is loaded. |
== Operating System == |
== Operating System == |
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Revision as of 18:32, 9 August 2010
Summary
An untethered jailbreak is a jailbreak where your device does not require you to reboot with a connection to an external device capable of executing commands on the device.
Device
All iPhone, iPod touch, and iPad models including the iPhone 4 have an untethered jailbreak at the latest firmware currently available.
Devices with a newer bootrom, which include some iPhone 3GS units, "MC" model iPod touch 2G units, iPod touch 3G units, and iPhone 4 units can't have a untethered jailbreak by PwnageTool, as they would need the signature checks patched since they don't have the 24kPwn exploit anymore.
However, it is possible to perform a untethered jailbreak on any device with any firmware version between 3.1.2 and 4.0.1 using Jailbreakme (This include any iPad models, running 3.2 or 3.2.1). This new revision, codenamed "Star", stores some code inside the device's VRAM in order to perform the untethered part of the jailbreak. It can be seen as some colored pixels right before the SpringBoard is loaded.
Operating System
Jailbreakme runs on the device itself, so the untethered jailbreak for iOS 3.1.2 to 4.0.1 is completely independent from the operating system since there's no need to connect the device to any computer in order to jailbreak.
PwnageTool can only be used on MacOS X.
