SIM is software, UICC is hardware (ie the card). Always remember, there's another computer inside your phone, the UICC computer, it contains software from the

SIM is software, UICC is hardware (ie the card). Always remember, there's another computer inside your phone, the UICC computer, it contains software from the past, written by hardware people who've never heard of security, no one's looked at the code for bugs, and it controls your phone. In conclusion: buy a tablet