Difference between revisions of "S5L8900"

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This is the Application Processor shared between the [[iPhone]], [[N45ap|iPod touch]], and the [[iPhone 3G]]. Not much is known about it through official sources.
 
This is the Application Processor shared between the [[iPhone]], [[N45ap|iPod touch]], and the [[iPhone 3G]]. Not much is known about it through official sources.
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==Firmware File Formats==
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See [[S5L File Formats|this page]] for more information on the types of firmware files it interprets
   
 
==Exploits==
 
==Exploits==

Revision as of 02:39, 11 February 2009

This is the Application Processor shared between the iPhone, iPod touch, and the iPhone 3G. Not much is known about it through official sources.

Firmware File Formats

See this page for more information on the types of firmware files it interprets

Exploits

Boot Chain

VROM->LLB->iBoot->Kernel->System Software

One of the iPhoneLinux goals are to replace that Boot Chain after iBoot :
VROM->OpeniBoot->Linux Kernel->X Server->Window Manager

Upgrade Process

Restore mode

The common upgrade process chain is VROM->DFU->WTF->iBoot->Kernel->Ramdisk->Restore, also called restore mode.

DFU mode

See full article here. To flash an older version of the iPhone software you have to let your phone reside in DFU. In iTunes you have to press the Alt-Key (Mac) or the shift-key (Windows) when pressing 'Restore' to be able to manually chose an update file (ipsw file).

Boot Chain

VROM-->DFU