Jailbreak iOS 4.2.1 Untethered for all iOS devices using Greenpois0n (Greenpoison) RC5-B2
Chronic dev finally released the much awaited Greenpois0n tool that can jailbreak all iOS devices untethered on 4.2.1. It works on iPhone 4, 3GS, iPod Touch 2G, 3G, 4G, iPad and Apple TV. It does not require any shsh blobs to be saved. It is recommended to restore your iDevice to stock 4.2.1 first. However,…