is a generic "OEM" mini projector, meaning it is sold under many different brand names and lacks a single official manufacturer website for firmware downloads
Here is a review of the current situation regarding YG300 firmware links: yg300 firmware link
Open the battery compartment or unscrew the two side screws. Look for a number silkscreened on the green circuit board. Common YG300 boards include: is a generic "OEM" mini projector, meaning it
While we cannot host the files directly, these are the common hubs where "universal" YG300 firmware links are shared: : Press the Menu button on your remote
If you still wish to proceed, avoid generic "file download" sites that force you to watch ads.
: Press the Menu button on your remote or control panel for approximately 15 seconds. Navigate to the Information or About Device section to view the current firmware build date (e.g., "20241018").