IBooty



iBooty was a tethered jailbreak booting tool, initially for iPhone OS 3.1.2 on new bootrom iPhone 3GS devices, later adding support for all devices vulnerable to limera1n and steaks4uce in version 2.0.

Features

 * "Boot it!" button: iBooty uploads a pwned 3.1.2 iBoot payload, and then uploads iBEC and jumps to it. It resets the connection and then uploads and sets up the device tree. Now it uploads and sets up iH8sn0w's logo. Finally, it uploads the kernelcache for it to boot the device.
 * "Prepare Device for Custom Firmware" button: Enters pwned DFU Mode, so the device can be restored to custom firmware created by sn0wbreeze. iBooty uploads the payload, then the iBEC, and uploads and prepares the logo, which notifies you to begin the restore process.

In version 2.0, the "Prepare" button was removed, leaving only a "Start" button. sn0wbreeze or redsn0w are instead recommended for entering pwned DFU mode on Windows.