Difference between revisions of "LLB"

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Those same setup routines are present in [[iBEC]] and [[iBSS]], which is why they can be launched directly from [[DFU Mode]].
 
Those same setup routines are present in [[iBEC]] and [[iBSS]], which is why they can be launched directly from [[DFU Mode]].
  +
  +
==Patched LLB==
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Restoring or Flashing a Patched LLB with [[Pwnage]], [[Pwnage 2.0]] or [[24kpwn]] can lead to those changes:
  +
* ECID checks on boot-up are cancelled
  +
* A restored firmware is no longer integrity-checked
  +
* SHSH blobs are ignored
  +
*

Revision as of 11:01, 22 December 2011

This is the Low Level Bootloader. It runs several setup routines and on firmware versions 2.0 and higher it checks the signature of iBoot before jumping to it.

Those same setup routines are present in iBEC and iBSS, which is why they can be launched directly from DFU Mode.

Patched LLB

Restoring or Flashing a Patched LLB with Pwnage, Pwnage 2.0 or 24kpwn can lead to those changes:

  • ECID checks on boot-up are cancelled
  • A restored firmware is no longer integrity-checked
  • SHSH blobs are ignored