Serious answer… the GPS (and location tracking in general) on an iPhone is disabled by default and you’re asked to opt-in when you set up a new device. You don’t have to enable location features and you can change your mind later — on a case by case basis as well. So you an have GPS in maps and weather reports, but not allow the general system services to access your location.
How are you getting an Internet connection in which to download, if you’re in a Faraday cage?
Wifi inside the cage?
Serious answer… the GPS (and location tracking in general) on an iPhone is disabled by default and you’re asked to opt-in when you set up a new device. You don’t have to enable location features and you can change your mind later — on a case by case basis as well. So you an have GPS in maps and weather reports, but not allow the general system services to access your location.