Saturday, November 20, 2010

Sunday, November 7, 2010

Booting 4.2 bundle - instructions

  • Download the appropriate tetheredboot binary for Windows or OS X from
    • Update: OS X version does NOT need libUSB from MacPorts any more.
  • Put the device in DFU mode
  • Use the command line tetheredboot -i iBSS.CPUap.RELEASE.dfu -k kernelcache.release.CPU to boot, where CPU is k48 for iPad, n90 for iPhone4
    • These files (iBSS and kernelcache) need to be extracted from custom ipsw you made using the bundle!