A TALE OF TWO MODEMS

Summary from the TLDR Dev newsletter

Apple plans to equip the US version of the iPhone 18 Pro with Qualcomm modem hardware to support mmWave technology, while the international versions will rely on Apple's proprietary C2 modem, which doesn't have mmWave capability. This choice may prioritize carrier marketing over user experience, as Qualcomm modems offer faster speeds at the expense of battery life.