Yg300 Projector Software Update Page
Since the internal software is limited, the best way to "update" the YG300 experience is to bypass its interface entirely using external hardware:
Turns your YG300 into a full-fledged smart TV with Netflix, YouTube, and Disney+. yg300 projector software update
Copy the firmware file directly to the root directory of the USB drive. Do not put it in a folder. Do not rename the file. Since the internal software is limited, the best