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Open your web browser and download the latest Windows version of GreenPois0n from here. We do not promise that everything will go well, use this tutorial at your own risk. Start TSS Server->Start iTunes->Plug in your iPhone->Restore 4.2.1->Error 1013->Put phone into DFU Mode->Launch Greenpois0n. Experienced users can also try update to iOS 4.2.1 without upgrading your baseband by using TinyUmbrella. Ultrasn0w does not support that baseband yet. Unlockers: do not update to iOS 4.1 or iOS 4.2.1 if you need the unlock. Remember: Greenpois0n recommends a clean restore before continuing. Use Limera1n if you want to jailbreak iOS 4.0, iOS 4.0.1, iOS 4.0.2. Greenpois0n has been updated to support the iOS 4.1 and iOS 4.2.1 firmware. All the steps are the same for all devices, we will cover iPhone.
#Seas0npass downgrade from 7.2 for mac os x#
Tutorial for Mac OS X users is available here.
#Seas0npass downgrade from 7.2 how to#
These are step-by-step instructions on how to jailbreak iOS 4.2.1 on iPhone 3GS, iPhone 4, iPad, iPod Touch 2G, iPod Touch 3G, iPod Touch 4G using Greenpois0n for Windows. UPDATE: New tutorials for iOS 4.3.3 are ready: UPDATE: Please, consider reading our Jailbreak & Unlock FAQ, especially if you have questions or troubles. Ultrasn0w 1.2.3 (for unlockers with old baseband) is available in Cydia. Ultrasn0w was also updated to support old baseband on new iOS 4.3.3. You can download PwnageTool 4.3.3.1 here. You can download RedSn0w 0.9.6 rc16 here. As usual for unlockers - do not update to 4.3.3, use PwnageTool (MAC) and Sn0wBreeze (Windows) to preserve the baseband. Redsnow is easy to use, it is available for Windows and Mac OS.
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The 4.3.3 untether works on all Apple devices that support 4.3.2 except for the iPad2: DevTeam released the untethered jailbreak for the latest iOS 4.3.3 - utilities RedSn0w 0.9.6 rc16 and PwnageTool 4.3.3.1.
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