you can build a faraday box with some aluminum foil, 2-4 layers are enough (you can test it by trying to call the phone inside it, if it rings you need more lay

you can build a faraday box with some aluminum foil, 2-4 layers are enough (you can test it by trying to call the phone inside it, if it rings you need more layers). inb4 companies start putting LTE/WiFi antennas inside wall chargers, if this happens buy an "usb condom"