4 ms·The onboard crypto is still used to secure voice calls.by Aloha 9y agoThe onboard crypto is still used to secure voice calls.mmcnl 9y agoWhy not use the same secure element as Apple is using for Apple Pay for this?Aloha 9y agoBecause the SIM is universal, its designed to be architecture independent, the SIM is also open, when the secure element that apple is using for apple pay is not.