Just click on the green flag press the activate button to start using it click to unlock press an app icon press recovery mode to boot into recovery mode in recovery mode, press the right arrow key to choose a version of iOS select a version of iOS to flash it if you want to try iOS 2, please press DFU Mode in DFU Mode, to use it, do the same things i told you to do in recovery mode.
Credit to apple for the images.
