This is a "brick." Try unplugging the power for 10 minutes, then holding the power button for 30 seconds while plugging it back in. If this fails, the firmware was likely incompatible with your hardware version.
Check that the file is in the "root" (the main screen when you open the drive). Audio but No Video (or vice versa)
The YG300 is a hardware-limited device. While a software update can occasionally help, the most effective way to "upgrade" its performance is by plugging in an external streaming device. This bypasses the projector's basic internal software entirely, giving you a modern, fast interface without the risk of bricking the unit. yg300 projector software update
You will need a USB 2.0 drive (8GB or 16GB is best) formatted to FAT32 . 3. How to Perform the Update
Specific video formats (like .MKV or .MP4) aren't playing audio. The menu navigation is lagging significantly. 2. Preparing for the Update This is a "brick
Ensure the update file is named correctly (usually merge.bin or update.img , depending on the specific instructions provided with the file).
The Ultimate Guide to the YG300 Projector Software Update The YG300 (often called the Lumos or Pico projector) is a favorite for budget home theaters. However, because it’s a generic "white-label" device produced by various manufacturers, finding a reliable software update can be tricky. Audio but No Video (or vice versa) The
Go to Settings > Info/About to see your current firmware version.