> Also couldn't they simply put it in a faraday bag or wrap in some tin foil? If you're a thief and you want the phone to stop broadcasting, AFAIK you can just

> Also couldn't they simply put it in a faraday bag or wrap in some tin foil? If you're a thief and you want the phone to stop broadcasting, AFAIK you can just turn it off (as opposed to leaving it in sleep mode). But you'll have to deal with Activation Lock, which has been around for years and makes the phone a brick without the original owner's Apple ID. The new feature, on the other hand, is more applicable to devices that are just lost, not stolen.