: Use a computer to format a USB drive or Micro SD card to FAT32 .
Check the LED display; it will momentarily reveal the active software version number (such as V023 or V032 ) to confirm a successful update. Troubleshooting Failed Updates
Never unplug the power cable while the software updates are actively processing. Interrupting a firmware rewrite breaks the boot sector, rendering the device completely unresponsive.
: Extract your downloaded brand archive (usually a .zip file) onto your computer desktop.
Connect your USB drive to your computer and format it to FAT32 . Ensure Cleanliness: The USB drive must be empty.