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Difference between revisions of "S5L8900"
Camerlingue (talk | contribs) (→DFU mode) |
(Undo revision 4648 by Camerlingue (Talk) Selecting an IPSW in Windows IS Shift. Few more revisions.) |
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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 processor is not used in any of the newest devices, being replaced by the [[S5L8720]] and [[S5L8920]]. |
+ | This is the Application Processor shared between the [[M68ap|iPhone]], [[N45ap|iPod touch]], and the [[N82ap|iPhone 3G]]. Not much is known about it through official sources. This processor is not used in any of the newest devices, being replaced by the [[S5L8720]] and [[S5L8920]]. |
| − | ==Firmware File Formats== |
+ | ==[[S5L File Formats|Firmware File Formats]]== |
| − | See [[S5L File Formats|this page]] for more information on the types of firmware files it interprets |
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==Exploits== |
==Exploits== |
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===[[System|Userland]]=== |
===[[System|Userland]]=== |
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* [[Restore Mode]] - Firmware v1.0.2 and below |
* [[Restore Mode]] - Firmware v1.0.2 and below |
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| − | * [[ |
+ | * [[Symlinks]] - Firmware v1.1.1 and below |
* [[LibTiff|LibTIFF]] - Firmware v1.1.1 and below |
* [[LibTiff|LibTIFF]] - Firmware v1.1.1 and below |
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* [[Mknod]] - Firmware v1.1.2 and below |
* [[Mknod]] - Firmware v1.1.2 and below |
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===[[iBoot]] / [[Kernel]]=== |
===[[iBoot]] / [[Kernel]]=== |
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| − | * [[Ramdisk Hack |
+ | * [[Ramdisk Hack]] - Firmware v1.1.4 / v2.0b3 and below |
* [[diags|Diags Exploit]] - Firmware v1.1.4 / v2.0b5 and below |
* [[diags|Diags Exploit]] - Firmware v1.1.4 / v2.0b5 and below |
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* [[iBoot Environment Variable Overflow]] - Firmware 3.1b1 and below |
* [[iBoot Environment Variable Overflow]] - Firmware 3.1b1 and below |
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===[[VROM (S5L8900)|Bootrom]]=== |
===[[VROM (S5L8900)|Bootrom]]=== |
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* [[pwnage|Pwnage 1.0 (Ramdisk + AppleImage2NORAccess)]] |
* [[pwnage|Pwnage 1.0 (Ramdisk + AppleImage2NORAccess)]] |
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| − | * [[ |
+ | * [[Pwnage 2.0|Pwnage 2.0 (DFU + Malformed Certificate)]] |
==Boot Chain== |
==Boot Chain== |
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[[VROM]]->[[LLB]]->[[iBoot]]->[[Kernel]]->[[System|System Software]] |
[[VROM]]->[[LLB]]->[[iBoot]]->[[Kernel]]->[[System|System Software]] |
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| − | One of the [[iPhoneLinux]] goals are to replace that Boot Chain after iBoot |
+ | One of the [[iPhoneLinux]] goals are to replace that Boot Chain after iBoot:<br /> |
[[VROM]]->OpeniBoot->Linux Kernel->X Server->Window Manager |
[[VROM]]->OpeniBoot->Linux Kernel->X Server->Window Manager |
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==Upgrade Process== |
==Upgrade Process== |
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| − | === Restore |
+ | === [[Restore Mode]] === |
| − | The common upgrade process chain is [[VROM]]->[[DFU]]->[[WTF]]->[[iBoot]]->[[Kernel]]->[[Ramdisk]]->[[Restore Mode |
+ | The common upgrade process chain is [[VROM]]->[[DFU]]->[[WTF]]->[[iBoot]]->[[Kernel]]->[[Ramdisk]]->[[Restore Mode]]. |
| − | == DFU |
+ | === [[DFU|DFU Mode]] === |
| − | + | 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 option key (Mac) or the shift key (Windows) when pressing 'Restore' to be able to manually chose an [[IPSW File Format|IPSW]]. |
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| + | |||
| − | In Windows you must press ALT key not the shift key! |
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| − | === Boot Chain === |
+ | ==== Boot Chain ==== |
| − | [[VROM]] |
+ | [[VROM]]->[[DFU]] |
Revision as of 05:53, 16 August 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 newest devices, being replaced by the S5L8720 and S5L8920.
Contents
Firmware File Formats
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 Hack - Firmware v1.1.4 / v2.0b3 and below
- Diags Exploit - Firmware v1.1.4 / v2.0b5 and below
- iBoot Environment Variable Overflow - Firmware 3.1b1 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 Mode.
DFU Mode
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 option key (Mac) or the shift key (Windows) when pressing 'Restore' to be able to manually chose an IPSW.
