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Difference between revisions of "S5L8900"
ChronicDev (talk | contribs) (→Exploits) |
(Added note since this processor is not used by any current device.) |
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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. This processor is not used in any of the current devices, being replaced by the [[S5L8720]] and [[S5L8920]]. |
==Firmware File Formats== |
==Firmware File Formats== |
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Revision as of 20:00, 26 June 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. This processor is not used in any of the current devices, being replaced by the S5L8720 and S5L8920.
Contents
Firmware File Formats
See this page for more information on the types of firmware files it interprets
Exploits
Userland
- Restore Mode - Firmware v1.0.2 and below
- Symlinks - Firmware v1.1.1 and below
- LibTIFF - Firmware v1.1.1 and below
- Mknod - Firmware v1.1.2 and below
- Dual Boot Exploit - Firmware 1.1.4 / v2.0b3 and below
iBoot / Kernel
- Ramdisk Exploit - Firmware v1.1.4 / v2.0b3 and below
- Diags Exploit - Firmware v1.1.4 / v2.0b5 and below
Bootrom
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).
