That's the towers. All the handsets still support 2G, and will happily let themselves be downgrade-attacked to it. 2G lacks even the most rudimentary authenti

That's the towers. All the handsets still support 2G, and will happily let themselves be downgrade-attacked to it. 2G lacks even the most rudimentary authentication, so you don't even have to try to look like a tower once you've done this. Just say you're a tower.