Ensure you are using a burn mode. If the device's LED doesn't blink or show a progress bar on the screen, your device might require a specific "Key Combo" (like holding the Reset button) while plugging in the power to trigger the SD boot. Restoring Your SD Card
Right-click PhoenixCard.exe and select . This is crucial for the tool to access disk-writing permissions. Step 2: Connect and Identify phoenixcard v424 exclusive