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Difference between revisions of "Odysseus"
(changing the formatting a little bit to match other wiki pages, and adding a category. good start!) |
(Adding more and it supports some iOS on devices older than A4.) |
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| − | '''Odysseus''' is a tool by [https://twitter.com/xerub @xerub] to downgrade/upgrade/restore specific 32 bit |
+ | '''Odysseus''' is a tool by [https://twitter.com/xerub @xerub] to downgrade/upgrade/restore specific 32 bit devices to specific firmwares. This method only works if you are jailbroken, have valid SHSH Blobs and a valid APTicket. |
== How it works == |
== How it works == |
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| − | It uses a tool by [https://twitter.com/winocm @winocm] called kloader. kloader is a CLI that you can run on an iOS device which loads an (decrypted) image. It allows you to bootstrap a pwned iBSS and then initiate a restore using iDeviceRestore with a custom iPSW, which allows you to downgrade/upgrade/restore to the firmware of your choice. |
+ | It uses a tool by [https://twitter.com/winocm @winocm] called kloader. kloader is a CLI that you can run on an iOS device which loads an (decrypted) image. It allows you to bootstrap a pwned iBSS and then initiate a restore using iDeviceRestore with a custom iPSW, which allows you to downgrade/upgrade/restore to the firmware of your choice. There are firmware bundles that allow you to restore each device to each iOS. If the bundle for the device and iOS you want to get does not exist, the downgrade/upgrade cannot happen. They require keys/ivs in order to make these firmware bundles. |
| − | == |
+ | == Links == |
| − | * http://dayt0n.github.io/articles/Odysseus/ |
+ | * [http://dayt0n.github.io/articles/Odysseus/ Download] |
| + | * [https://github.com/xerub/xpwn Github] |
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[[Category:Software]] |
[[Category:Software]] |
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Revision as of 06:13, 21 June 2015
Odysseus is a tool by @xerub to downgrade/upgrade/restore specific 32 bit devices to specific firmwares. This method only works if you are jailbroken, have valid SHSH Blobs and a valid APTicket.
How it works
It uses a tool by @winocm called kloader. kloader is a CLI that you can run on an iOS device which loads an (decrypted) image. It allows you to bootstrap a pwned iBSS and then initiate a restore using iDeviceRestore with a custom iPSW, which allows you to downgrade/upgrade/restore to the firmware of your choice. There are firmware bundles that allow you to restore each device to each iOS. If the bundle for the device and iOS you want to get does not exist, the downgrade/upgrade cannot happen. They require keys/ivs in order to make these firmware bundles.
