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Difference between revisions of "LLB"
(→Patched LLB) |
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| Line 7: | Line 7: | ||
* ECID checks on boot-up are cancelled |
* ECID checks on boot-up are cancelled |
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* A restored firmware is no longer integrity-checked |
* A restored firmware is no longer integrity-checked |
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| − | * SHSH blobs are ignored |
+ | * RSA Signature Hash blobs ([[SHSH blobs]]) are ignored |
| + | * Jailbreak is always untethered for a pwn-able device |
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| − | * |
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| + | * Custom bootlogos and recovery logos can be applied |
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Revision as of 11:52, 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
- RSA Signature Hash blobs (SHSH blobs) are ignored
- Jailbreak is always untethered for a pwn-able device
- Custom bootlogos and recovery logos can be applied
