Inside every modern smartphone there is a secret second computer — the baseband processor (cellular modem) — that runs its own independent operating system, has its own RAM and storage, and never fully turns off. It keeps registering with cell towers, accepts silent carrier updates, and can be exploited without the main OS ever knowing.
In this video we expose:
• How your phone actually contains two completely separate computers
• Why the modem stays awake for E911 emergency calls (and what else it does in the background)
• How attackers can hijack your location, calls, and texts by exploiting only the radio chip
• Who really controls the modem (Qualcomm, MediaTek, Samsung + your carrier)
• Why Airplane Mode, removing the SIM, and even powering down don’t fully protect you
From journalists in hostile regions to everyday privacy-conscious users — this hidden computer affects everyone.
A "good" faraday bag is hard to find, it takes more than some aluminized mylar to stop a cell signal.
Boy, someone disagreed without actually tying it. You can put your phone in a microwave oven (a box meant to contain microwaves) and it will still get enough of a signal to ring. A good faraday bag has to be more than a few microns of aluminum.