The itouch had some undisclosed bluetooth in it that was enabled by subsequent software. Could the A4 chip be housing more than one core? ARM, and something els

The itouch had some undisclosed bluetooth in it that was enabled by subsequent software. Could the A4 chip be housing more than one core? ARM, and something else as well, to be activated by software later? They're already taking a bath on the unit as a long-term investment, so anything's possible.