: If you have a later model 3GS or iPod Touch 3G, the jailbreak is tethered . This means if the battery dies or you reboot, you must connect it to your computer and run blackra1n again to boot the device.
If you are a Linux user looking to jailbreak legacy devices that blackra1n targeted (iPhone 3GS, iPod touch 2G, etc.), do not use blackra1n today. Instead, use: blackra1n linux
For Linux power users, blackra1n offered distinct advantages: : If you have a later model 3GS
: The standard open-source library suite for communicating with iOS devices on Linux. iPod touch 2G
Moreover, the quest teaches you more about low-level USB and bootloaders than any modern point-and-click jailbreak ever could.