GoKawiilHow to repurpose an old iPod as a USB flash drive
Older iPods can double as external storage once a hidden 'Disk Use' option is switched on via Finder on a Mac or through iTunes or the Apple Devices app on Windows. After enabling it, the iPod shows up like any USB drive, letting users drag files onto it, though those files remain invisible on the iPod's own interface and share space with its music and system data.