"Every smartphone contains a cellular baseband modem running proprietary firmware outside the control of the operating system. As long as the modem is on, the device is talking to towers. So the real question isn't "is my OS private?" It's: who are you trying to be invisible from? An abusive ex? Big Tech? Telecom providers? State-level actors? Because total invisibility is a lie. Privacy is about understanding the layers. Good OPSEC is about understanding your tools. And sometimes the correct tool for a radio... is a Faraday bag." 📝 64571683…