Just a couple months ago, Apple and Samsung were basically BFFs. Of course, they were still competitors, but their relationship was symbiotic. Samsung produced the A4 chips that run Apple’s iPhone 4 and the A5 chips found in the iPad 2, and in return, Apple became Samsung’s largest customer, providing the South Korea-based company with millions of dollars in revenue. However, the unending patent battle between the two companies seems to have led Apple to dump Samsung as a producer of its A6 chipset, opting for Taiwan SemiConductor Manufacturing Company.

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