Visit the Pioneer AU Downloads Page
Tap or Start once the system recognizes the file on the USB.
General "under-the-hood" optimizations make the touchscreen more responsive and reduce boot-up times.
Before downloading, check your current version by going to Settings > System Information > Firmware Information . If the version on the website is higher than your current version, you should proceed with the update. Step-by-Step Installation Guide
Ensure the drive is empty before adding the update files.