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Difference between revisions of "S5L8930"
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| − | An SoC developed by Apple in-house chip design department. It is currently used in [[k48ap|iPad]], [[N90ap|iPhone 4]], and [[N81ap|iPod Touch 4G]]. Publicly, Apple refers to this chip as the '''A4'''. |
+ | An SoC developed by Apple in-house chip design department. It is currently used in [[k48ap|iPad]], [[N90ap|iPhone 4]], [[K66ap|Apple TV 2G]], and [[N81ap|iPod Touch 4G]]. Publicly, Apple refers to this chip as the '''A4'''. |
== Exploits == |
== Exploits == |
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Revision as of 17:28, 29 September 2010
An SoC developed by Apple in-house chip design department. It is currently used in iPad, iPhone 4, Apple TV 2G, and iPod Touch 4G. Publicly, Apple refers to this chip as the A4.
Contents
Exploits
iBoot
Bootrom
- Unreleased exploit (demonstrated by Geohot)
- SHAtter (vuln: posixninja; exploit: pod2g)
Kernel
- BPF STX Kernel Write Exploit - Works up to iOS 3.2
- IOSurface Kernel Exploit - Works up to iOS 3.2.1 (and iOS 4.0 and 4.0.1)
Userland
- MobileBackup Copy Exploit - Works up to iOS 3.2
- PDF CFF Font Stack Overflow - Works up to iOS 3.2.1 (and iOS 4.0 and 4.0.1)
Boot Chain
Bootrom->LLB->iBoot->Kernel->System Software
Specifications
- CPU: ARM Cortex-A8
- GPU: PowerVR SGX 535
- A/V Playback: PowerVR VXD
- RAM: 256 MB (iPad & iPod touch 4G) or 512 MB (iPhone 4)
Aside from the iPhone 4's additional RAM and an overall higher clock speed, these are the same specifications as the S5L8920 and S5L8922.
