RedSn0w will upload a new RAM Disk and Kernel. Your iPhone will now be exploited with limera1n. Release the Power button and continue holding the Home button until RedSn0w detects the device. Hold down both the Home button and the Power button for 10 seconds. You can find more help with DFU mode here. RedSn0w will now guide you through the steps to get into DFU mode. Turn OFF your device then click the Next button RedSn0w will now prepare the jailbreak data.Įnsure Install Cydia is selected from the options menu then click Next. Click OK.Ĭlick the Back button and then click the Jailbreak button from the main menu. You'll be informed that the iOS 6.0 IPSW will be used for the rest of the session. Navigate to the Pwnage folder on your desktop and select the iOS 6.0 IPSW then click Open. Once RedSn0w opens click the Extras button.įrom the Extras menu click the Select IPSW button. Right click or control-click the redsn0w application from the redsn0w folder we extracted earlier and choose Open from the popup menu that appears. **Important: If you want to keep your UltraSn0w unlock then follow these instructions to update. ITunes will now update your iPhone to the new firmware. Navigate to the Pwnage folder on your desktop and select the 6.1.3 firmware ipsw. Restore is preferred as it won't create any wasted space on your iPhone. Now hold down Option and click the Restore button. Select your iPhone from the list of devices on the left. If you haven't already updated to iOS 6.1.3 then open iTunes from your dock. Likewise, download the 6.0 firmware and 6.1.3 firmware for your device from here and place it in the Pwnage folder.Įxtract the RedSn0w zip file by double clicking it. Step 8: Now from here onwards, whenever you want to do anything related to jailbreak like SSHing into your device, or running Cydia, you must first run your device in the so called “jailbroken state” on every reboot by using “Just boot tethered right now” option in Redsn0w.Download the latest version of RedSn0w from here and place it in the Pwnage folder. For iPhone 4, 3GS (New Bootrom), iPod touch 4G / 3G / 2G, iPad ONLY: Once done, your iPhone or iPod touch will restart automatically and you will find it jailbroken on the latest iOS 4.2.1 firmware. Step 7: Wait for Redsn0w to do the rest for you. Hold “Power” button for 3 seconds, without releasing power button, hold the “Home” button for 10 seconds and release power button but keep holding Home button for another 30 seconds. You will now need to put the device in DFU mode. Step 6: Turn off your device and connect your device to the computer. Step 5: Now select “ Install Cydia” and click “ Next”. Step 4: Start Redsn0w 0.9.6b4 and point it to iOS 4.2.1 firmware to proceed with the jailbreak. Step 3: Download Redsn0w 0.9.6b4 for Windows / Mac 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. How to Jailbreak iOS 4.2.1 using Redsn0w 0.9.6b4 Also, if you rely on the ultrasn0w unlock, this jailbreak is not for you and hence you need to wait for now. In case you prefer untethered jailbreak, wait for an updated version of JailbreakMe. 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. The 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 iPhone dev team has already released RedSn0w 0.9.6b4, based on Geohot’s Limera1n bootrom exploit, which brings first proper jailbreak, with working Cydia for all iOS 4.2.1 devices.Ī major negative about going for Redsn0w 0.9.6b4 is that it is tethered jailbreak which means you will need to rejailbreak it everytime the device is rebooted (just like Blackra1n).
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