S5L8930

An SoC developed by Apple in-house chip design department. It is currently used in iPad and iPhone 4. Publicly, Apple refers to this chip as the A4.

Exploits

Bootrom

• Unreleased Exploit (Announced by Geohot)

iBoot / Kernel

• none at this time

Userland

• MobileBackup Copy Exploit - Works up to iOS 3.2
• BPF STX Kernel Write Exploit - Works up to iOS 3.2
• Three unknown exploits used by Star - Works up to iOS 4.0.1 (including 3.2.1 for iPad)

Boot Chain

Bootrom->LLB->iBoot->Kernel->System Software

Specifications

• CPU: ARM Cortex-A8
• GPU: PowerVR SGX 535
• A/V Playback: PowerVR VXD

See also

• S5L8930 (Bootrom)

Links

• http://www.apple.com/ipad/specs/
• http://www.brightsideofnews.com/news/2010/1/27/apple-a4-soc-unveiled---its-an-arm-cpu-and-the-gpu!.aspx