A new teardown of the seventh-generation iPod nano has uncovered more changes than the otherwise modest update would suggest. iFixit discovered that Apple has switched from its favorite flash memory suppliers, Samsung and Toshiba, to SanDisk. While SanDisk has often partnered with Toshiba in the past, the step will see the company for the first time end up making flash memory for the iPod it had said it could defeat years ago.