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The Apple A4 is a 32-bit package on package (PoP) system on a chip (SoC) designed by Apple Inc. and manufactured by Samsung.[2][3] It was the first SoC Apple designed in-house. The first product to feature the A4 was the first-generation iPad, followed by the iPhone 4, fourth-generation iPod touch, and second-generation Apple TV.[4]

The last operating system update Apple provided for a mobile device containing an A4 (iPhone 4) was iOS 7.1.2, which was released on June 30, 2014. The last operating system update Apple provided for an Apple TV containing an A4 (second-generation Apple TV) was Apple TV Software 6.2.1, which was released on September 17, 2014.

References

  1. Apple's iPhone 4: Thoroughly Reviewed. AnandTech (June 30, 2010).
  2. Updated: Samsung fabs Apple A5 processor. EETimes.com (March 12, 2011). “The company conducted a cross-section analysis of the chip that revealed details indicating Samsung made the chip in its 45nm process, the same process and fab Apple used for its previous generation A4 SoC.”
  3. Clark, Don (2010-04-05). Apple iPad Taps Familiar Component Suppliers - WSJ.com. Online.wsj.com.
  4. "Apple Launches iPad", Apple, 2010-01-27. 

External links

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Apple Silicon
A series : A4 | A5 · A5X | A6 · A6X | A7 | A8 · A8X | A9 · A9X | A10 · A10X | A11 | A12 · A12X · A12Z | A13 | A14 | A15
M series : M1
Motion M series : M7 | M8
S series : S1 · S1P | S2 | S3 | S4 | S5 | S6 | S7
T series : T1 | T2
W / H series : W1 · H1 | W2 | W3
U series : U1
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