Step 2: Update/Restore to iOS 4.2.1 firmware using the IPSW file you just downloaded via iTunes 10.1. Step 1: Download iOS 4.2.1 for your version of iOS device. NOTE: Those of you who rely on a carrier unlock MUST STAY AWAY from Redsn0w and iOS 4.2.1.įollow the step by step instructions posted below to jailbreak iOS 4.2.1 with Redsn0w 0.9.6b4: So until and unless Comex of Spirit and JailbreakMe fame comes up with another untethered hack for iOS 4.2.1, the jailbreak we get for the newer devices will be tethered (or semi-tethered). Old devices like iPhone 3GS (old bootrom), iPhone 3G and iPod touch 2G (Non-MC Model) can be jailbroken-untethered right now using this latest version of Redsn0w. This so called tethered or semi-tethered jailbreak condition in Redsn0w 0.9.6b4 however only applies to the new devices like: iPhone 3GS (new bootrom), iPhone 4, iPad, iPod touch 2G (MC Model), iPod touch 3G and the iPod touch 4G. The only problem is that it is a tethered jailbreak, which means you will have to boot it into a "jailbroken state" on every reboot. The iPhone Dev Team has just released Redsn0w 0.9.6b4 today which brings first proper jailbreak, with working Cydia and MobileSubstrate for all iOS 4.2.1 devices.įor those of you who don't know, Redsn0w 0.9.6b4 is based on Geohot's Limera1n bootrom exploit which has already pwned all current iOS devices for life. It's pretty simple, but a walkthrough helps make it even easier. RedmondPie has a great how-to on the new jailbreaking process, so check it out. It was the first significant update for the iPad since its introduction.Īnd when there's a new firmware update for iOS, there's always a new jailbreak. Click on “Extras” on the main screen and then click on “Just Boot.” Follow the instructions on the screen and once you are done, the device will be rebooted into tethered jailbreak mode.Apple's iOS 4.2.1 firmware update was released yesterday to all iPads, iPhones and iPod Touches, with enhanced multitasking features. Step 6: Since it’s a tethered iOS 6 jailbreak, you will have to boot the device in tethered mode every time it is turned off and on. After some time, the device will reboot with the Cydia icon on the home screen. ![]() ![]() Step 5: Once the process is done, select “Autoboot this device when it connects in DFU mode” option to enter tethered mode. After the device is in DFU mode, Redsn0w will start the jailbreaking process using limera1n exploit. Step 4: Now click on “Jailbreak,” select “Cydia” and put the device into DFU mode when Redsn0w prompts you to do so with the help of onscreen instructions. If you are on OS X Mountain Lion, start Redsn0w by “Ctrl-Click” on the icon and then selecting “Open” from the new menu. Step 3: Run Redsn0w (run in administrator mode if using a PC). ![]() ![]() Step 2: Download iOS 6 and update your A4 device to this latest version. Cydia is included as part of the release. Redsn0w 0.9.15b1 doesn’t require you to download and point the app to the iOS 6 IPSW for the jailbreak. A5-based devices (iPhone 4S, iPad 2), A5X-based devices (iPad 3) and A6-based devices (iPhone 5) are not supported. This is a tethered jailbreak and is only for A4-based (or below) devices like the iPhone 4, iPhone 3GS and the 4th-gen iPod touch. But before going ahead with the process here are some points to keep in mind: The iPhone Dev-Team announced Sunday that its popular jailbreaking tool Redsn0w received a major update with significant new features including full support for the final public release of iOS 6 on select devices with integrated Cydia.Īpart from this, the updated Redsn0w 0.9.15b1 for both Windows and Mac also adds support for re-restoring and downgrading of select devices from iOS 6 to an older firmware and re-restoring from any iOS 5.x to any other (up, down or the same) iOS 5.x on all devices as long as the correct blobs are saved.īelow are the steps to use Redsn0w 0.9.15b1 to jailbreak iOS 6 tethered.
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