At the heart of the system, the C1 (Cellular 1) chip first appears in the iPhone 16e. It is also expected to debut in other Apple devices in the coming months and will likely see use across all or most of the iPhone range by this time next year. Apple calls it “the most power efficient modem ever in an iPhone.”

Apple has just introduced the iPhone 16E, a spiritual successor to the iPhone SE line that has a significant first: it introduces Apple’s long-awaited in-house 5G modem called the C1. The chip, which Apple says is the most power-efficient modem in a phone, is Apple’s bid to end its reliance on Qualcomm’s 5G chips.

Apple's first custom-designed modem chip, the C1, has finally made its debut in the iPhone 16e, which Apple announced on Wednesday. It's