content: It's worth noting that SIM Cards are Turing-complete computers. It's much more than a piece of flash memory. And of course, phones can't low-level access them. Extremely interesting talk about this topic: https://www.youtube.com/watch?v=yBJkxHgCJg8h7 (If that link doesn't work search for "Black Hat 2013 - Rooting SIM Cards")