Because the tool relies on a specific hardware vulnerability (the limera1n exploit), it only works on devices with the . Supported Devices Supported iOS Versions iPhone 3GS, iPhone 4 iPad (1st Gen) iPod Touch (3rd & 4th Gen) iOS 6.x (including 6.1.3) Environment Setup (Important)
: A full brute-force attack typically takes about 20 to 40 minutes . gecko iphone toolkit download