: A standard USB 2.0 flash drive, preferably formatted to FAT32 . Ensure it is empty to prevent file errors during the detection process. Stable Power Source
Plug the USB drive into the USB port on your Pioneer unit. Pioneer-x-smc3-s-firmware-update
If after the firmware update your system behaves strangely (unexpected settings, missing features, or erratic operation), consider resetting the unit to factory defaults. Here is the procedure: : A standard USB 2