S5L8930

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A4.jpg

A system on a chip ("SoC") developed by Apple's in-house chip design department. It is used in iPad, both models of the iPhone 4 (GSM and CDMA), Apple TV 2G and the iPod touch 4G. Publicly, Apple refers to this chip as the A4.

Exploits

Bootrom

iBoot

Kernel

Userland

Boot Chain

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

Specifications

Aside from the iPhone 4's additional RAM and an overall higher clock speed, these are the same specifications as the S5L8920 and S5L8922.

See also

Links