Unlocking / jailbreaking your iPhone / iPod touch / iPad / Apple TV may violate your warranty or the EULA with Apple and / or your cellular-service provider. If you choose to download and install jailbreak tools, you will do so at your own risk. Using hacks may render your device unusable, or may reduce the quality of your experience employing the respective device. This article has a purely informational purpose and doesn't, in any way, suggest that you should hack your Apple device. Update: guide updated to include a link for those looking to learn more about the "tethered" nature of this jailbreak. As shown in the second screenshot down, the remainder of the jailbreak process will take place on your device which, at one point, should display the last two images below. You can repeat the process.Īfter successfully entering DFU mode, redsn0w will automatically begin installing the jailbreak on your iPhone / iPod touch. Don’t worry if you fail entering DFU mode on your first attempt. You need to carefully follow the on screen instructions presented by redsn0w in order to put your device into DFU (recovery) mode. Tick whatever you want installed, and proceed to the following step by clicking “next.” An option to install Cydia (currently incompatible with iOS 4.2.1), the App Store alternative for jailbreakers, is also presented. Redsn0w will start jailbreaking the IPSW software bundle, as shown below.Īs soon as the jailbreak is finished, you can employ some “goodies” that were recently introduced in redsn0w, such as installing custom logos. If redsn0w is able to successfully identify your iOS firmware bundle, it will display the following message: “IPSW successfully identified,” as shown in the screenshot below. Launch redsn0w, select your just-downloaded iOS 4.2.1 IPSW file for iPhone / iPod touch / iPad and click “next.” (the steps should apply the same on a Windows PC) Step 1īack up your device (in case anything goes wrong) and get your jailbreak ingredients ready:ĭownload iOS 4.2.1 IPSW for iPhone / iPod touch Jailbreaking iOS 4.2.1 with Redsn0w 0.9.6b4 on Mac OS X Check out this webpage for the links to our latest step-by-step tutorials to jailbreak your iPhone, iPad or iPod touch using Redsn0w. Go here to learn more about the drawbacks involved by a "tethered jailbreak." Redsn0w is one of the easiest and most popular tools to jailbreak iPhone, iPad and iPod Touch developed by the iPhone Dev team. For example, this is a "tethered" jailbreak which, for some, may involve hassle they'd rather avoid. Step 3: Launch RedSn0w and find your way to iOS 4.2.1 and click Open. Step 2: Upgrade/Restore to iOS 4.2.1 via iTunes 10.1 (iPhone users: iOS 4.2.1 will update your baseband which is NOT unlockable right now). A compatible version of Cydia is unavailable for the latest iOS right now, but the jailbreak is, in all senses, a go for iPhone, iPod touch, and iPad using the Team’s redsn0w 0.9.6 beta 4.īefore users proceed with following the steps below, Softpedia would like to note that jailbreaking is not particularly encouraged.Īlso, see this post for compatible devices and the particularities involving each device model with respect to this jailbreak. Follow these steps Step 1: Download iOS 4.2.1, 4.2 or 4.1 and RedSn0w from the iJailbreak Downloads Section. Now enjoy your jailbroken iPhone with iOS 4.2.1 Build.Minutes after the official release of iOS 4.2.1, the folks at the iPhone Dev Team were able to roll out a compatible jailbreak tool for those enjoying the benefits of a hacked device. Once done, your iPhone 3G will restart automatically. Now just wait until redsn0w completes the rest of the process. At this stage you will need to put your iPhone in DFU mode, just follow the instructions displayed on Redsn0w 0.9.6B2 to set your iPhone in DFU mode.ħ. You need to power off your iPhone 3G/iPod Touch 2G and connect to computer and click on next button.Ħ. (If you want to disable multitasking & wallpaper then simple uncheck “Enable multitasking and wallpaper” option).ĥ. Now select “Install Cydia” and click Next. Click on Next and Redsn0w 0.9.6 B2 will prepare data for jailbreak.Ĥ. Now start Redsn0w 0.9.6B4 and click on browse and select firmware iOS 4.2.1 ipsw for iPhone 3G/iPod Touch 2G.ģ. Update iPhone 3G/iPod Touch 2G to iOS 4.2.1Ģ. iTunes 10 How to Jailbreak iPhone 3G & iPod Touch 2G iOS 4.2.1ġ. Note: Please stay away from this guide if you are planning to unlock your iPhone 3G 4.2.1 iOS Stuff Requiredģ. In order to help you with iOS 4.2.1 jailbreak we are here with step by step guide with download links to required tools. IOS 4.2.1 jailbreak using Redsn0w 0.9.6B4 on iPhone 3G & iPod Touch 2G (non-MC model) is untethered hence you don’t need to worry about unexpected iPhone reboot and losing jailbreak. Now that Redsn0w 0.9.6B4 to jailbreak iOS 4.2.1 for iPhone 3G & iPod Touch 2G non-mc model is released, you can go ahead and get your iPhone & iPod Touch jailbreaked if you don’t rely on carrier unlock.
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