You can purchase a Faraday cage for your phone. Or you can make one.

all cars should have one

	▲	egberts1 3 days ago \| parent \| next [-]
		50-ohm resistor end-cap connector to antenna of your car GPS should suffice.
	▲	thfuran 3 days ago \| parent \| prev [-]
		They’re too busy spying themselves.