3 ms·On the iPhone, the modem has always been on a separate chip.by my123 7y agoOn the iPhone, the modem has always been on a separate chip.detaro 7y agoseparate chip doesn't tell you anything about the security model.my123 7y agoIt was USB/HSIC and then switched over to PCIe with IOMMU.mirimir 7y agoRight, regardless of chip configuration, modern phones use IOMMU for isolation. Arguably the main advantage of the PinePhone and Librem 5 is the kill switches.