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.”
#Redsn0w 0.9.6.b4 install
An option to install Cydia (currently incompatible with iOS 4.2.1), the App Store alternative for jailbreakers, is also presented.
#Redsn0w 0.9.6.b4 software
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 Go here to learn more about the drawbacks involved by a "tethered jailbreak." For example, this is a "tethered" jailbreak which, for some, may involve hassle they'd rather avoid. 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. 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.
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