Small nit to pick: IMSI + IMEI aren't enough to clone your phone - the SIM card stores a shared secret used for challenge-response authentication with the netwo

Small nit to pick: IMSI + IMEI aren't enough to clone your phone - the SIM card stores a shared secret used for challenge-response authentication with the network, and the device (theoretically) can't read the secret, only send the SIM a challenge and get the response to send to the network.