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Apple A4 (iPhone 4)
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/cdn.vox-cdn.com/uploads/chorus_asset/file/12788531/iPhone4s_review1.1419962147.jpg "iPhone 4S review - The Verge")
iPhone 4S review - The Verge
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![iPhone 4 Main PCB (a) front and (b) back [9] | Download Scientific Diagram](https://www.researchgate.net/publication/339765197/figure/fig2/AS:879868241776640@1586788344051/iPhone-4-Main-PCB-a-front-and-b-back-9.jpg "iPhone 4 Main PCB (a) front and (b) back [9] | Download Scientific Diagram")
iPhone 4 Main PCB (a) front and (b) back [9] | Download Scientific Diagram
Photos of iPhone 4S/5 Logic Board Suggest A5 Processor - MacRumors
10pcs/lot cell phone original replacement For iPhone 4 Small CPU Baseband Processor IC 337S3833 on motherboard free shipping|ic analog|processor mhzprocessor system - AliExpress
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iPhone 4 - Wikipedia
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