Documents show that ICE has gone back on its decision to not use location data remotely harvested from peoples' phones. The database is updated every day with billions of pieces of location data.
A removable physical or electronic SIM on a system that has full control of inbound or outbound traffic (linux phone) would still be a whole lot better than nothing. Imagine having a switch to reliably sever any heartbeat signals between the tower and the device at any time.
This would be a flight mode switch that reliably works. But it also means you are offline, which is no solution to the average “daily” problem of being tracked.
A removable physical or electronic SIM on a system that has full control of inbound or outbound traffic (linux phone) would still be a whole lot better than nothing. Imagine having a switch to reliably sever any heartbeat signals between the tower and the device at any time.
This would be a flight mode switch that reliably works. But it also means you are offline, which is no solution to the average “daily” problem of being tracked.