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Apple reveals C1, its first in-house 5G iPhone modem


After years of development, Apple has unveiled what it calls C1, its first-ever in-house cellular modem. Apple’s latest silicon replaces...

Apple’s latest silicon replaces Qualcomm modem chips previously required for 5G connectivity in the iPhone. Apple silicon — including C1 — the all-new internal design, and the advanced power management of iOS 18 all contribute to extraordinary battery life. Licensing fees are probably the biggest factor, but the answer is also in that description: “most power-efficient modem ever on an iPhone.”

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