Download link here: 2Unlock Oilra1n is a software tool which can jailbreak and unlock all iPhones (iPhone (Edge), iPhone 4 iPhone 3G and iPhone 3GS) and iPod touches (iPod touch 4G 2G and 3G MC NON-MC) running on the firmware version 4.1 The following step by step guide will help you jailbreak your device on iOS 4.1 Step 1: Download and Install MSVB runtime components and dotNETfx3.