Apple has introduced its first custom-designed modem chip, marking a significant step towards reducing reliance on Qualcomm. The new chip, a part of Apple's C1 subsystem, debuts in the$599 iPhone 16e and will eventually be integrated across other products.

The C1 subsystem includes advanced components like processors and memory, offering better battery life and enhanced artificial intelligence features.

Apple has ensured the modem is globally compatible, testing it with 180 carriers in 55 countries. Executives highlight its ability to prioritise network traffic for smoother performance, setting it apart from competitors.

Modem development is highly complex, with few companies achieving global compatibility. Apple previously relied on Qualcomm but resolved to design its own platform after legal disputes and challenges with alternative suppliers.

The C1 subsystem represents Apple's strategy to tightly integrate modem technology with its processors for long-term product differentiation.

Apple's senior hardware executives described the C1 as their most complex creation, combining cutting-edge chipmaking techniques. The new platform underscores Apple's focus on control and innovation in core technologies.

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