This is a common "generic" firmware bug. If your image is upside down or mirrored, go to (or "Flip") and cycle through the options until it returns to normal. "My Projector Won't Turn On"
Ultimately, the YG300 reminds us that in cheap hardware, the soul is in the software—but the danger lies in trying to upgrade that soul. yg300 projector software update
Updating the software is a manual process that typically involves using a USB drive, as this budget-friendly model lacks a built-in Wi-Fi card for over-the-air (OTA) updates. Preparation for Software Update Before starting, ensure you have the following: This is a common "generic" firmware bug
Find the official product page or contact the manufacturer's support (e.g., via the YG300 Projector Guide ) to download the latest firmware. yg300 projector software update