The ISO/IEC 7816 interfaces can pretty sturdy (eg. for ATMs), but for phones, I'd wager that most phones don't ever change the SIM card more than once or twice;

The ISO/IEC 7816 interfaces can pretty sturdy (eg. for ATMs), but for phones, I'd wager that most phones don't ever change the SIM card more than once or twice; phone manufacturers probably cut costs there.