Apple C1

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<div style="font: bold 2em/1.2 -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: var(--wiki-color);">Apple C1</div>
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! class="ios-lab" | Designer
| class="ios-val" | [[Apple]]
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! class="ios-lab" | Introduced
| class="ios-val" | February 2025 ([[iPhone 16e]])
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! class="ios-lab" | Role
| class="ios-val" | Cellular modem — Apple's first (5G sub-6 GHz, no mmWave)
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! class="ios-lab" | Devices
| class="ios-val" | [[iPhone 16e]]
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! class="ios-lab" | Successor
| class="ios-val" | [[Apple C1X]]
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The Apple C1 ended one of the longest dependencies in Apple's supply chain: its first in-house cellular modem, shipped in February 2025's [[iPhone 16e]] after years of development that began with the billion-dollar purchase of Intel's modem business in 2019. Deliberately debuted in the lineup's lowest-stakes slot, it traded peak speed — sub-6 GHz only, no mmWave — for the best power efficiency of any iPhone modem, feeding the 16e's standout battery life.

= Legacy =

The C1 proved the modem program viable after years of doubt and litigation history with Qualcomm. Seven months later the [[Apple C1X]] doubled its speed in the [[iPhone Air]], beginning the staged rollout that is walking Apple's radios up the lineup.