1. Download everything you need:
These files are all freely available.
- Apple Developer Tools (Xcode) (you must sign up for an ADC membership at the page, which is free)
- The iPhone Firmware (use this version if you haven’t applied the 1.0.1 firmware update, and this version if you have). It should automatically expand into a folder named something like “iPhone1,1_1″ If it doesn’t, change the file extension to “.zip”, then expand it.
- SSH files