To get un-tethered jailbreak for your iphone 4 running iOS 4.2.1 using RedSn0w 0.9.7 b4 , you must Save iOS 4.2b3 SHSH Blobs for your device on Saurik’s Server [Cydia] .
How to Save iOS 4.2b3 SHSH Blobs on Cydia :
Download the latest version of TinyUmbrella 4.21.01 on your computer and run the application to save the SHSH blobs. First time TinyUmbrella users can read the complete step-by-step tutorial to save the SHSH Blobs here .
To check the current version of SHSH Blobs saved on Saurik’s Server , launch Cydia on your device and you can see the latest SHSH Blobs saved for your device at top of the screen [as shown in the image below]
Also Read :
- iOS 4.2.1 Un-Tethered Jailbreak using RedSn0w 0.9.7 beta 4 – Complete Tutorial
- Download RedSn0w 0.9.7 b4 – Direct Download Links .
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