: Use the arrow keys to find the System or Set submenu.
Before hunting for a download, check what you’re currently running: Turn on your YG300. Go to the (Gear icon) menu. Navigate to System Info or About . Note down the version number and the build date. Where to Find the YG300 "UPD" File
Updating the Go to product viewer dialog for this item. projector software (specifically the update.upd yg300 projector software update upd
The projector should detect the file automatically and display a loading bar or say "Upgrading".
If the update appears frozen, do not turn off the projector. First, check the progress bar for any movement. If it is completely stuck, you may have to risk a restart. Unplug the projector, wait a minute, plug it back in, and hope it recovers. If it doesn't, contact technical support for further instructions. : Use the arrow keys to find the System or Set submenu
There is generally no official public software update available for the YG300 (and similar generic mini projectors).
Websites like FirmwareFile.com or XDA Forums sometimes host these files. Always scan .upd files with antivirus software before use. Navigate to System Info or About
Be careful. "YG300 Pro" often has a different mainboard. Using a standard YG300 UPD on a Pro model can brick it. Always download firmware specifically for your exact model number listed on the bottom sticker.