Since the YG300 is a budget, non-smart projector, it typically does not have Wi-Fi for "Over-the-Air" (OTA) updates. You will need:
Verify your exact model variant. The YG300 has several iterations (YG300, YG300 Pro, YG300 Plus). Installing the wrong firmware will break the device.
Copy the firmware file directly to the of your USB drive. Do not place it inside any folders. yg300 projector software update
Try the OTA update first. If that fails, message your seller for the USB file. If they ignore you, leave a review warning others and stick to using an external HDMI dongle (Chromecast or Fire TV Stick) as your primary OS, bypassing the YG300 software entirely.
The internal media player of the YG300 is highly sensitive to file storage formats. Since the YG300 is a budget, non-smart projector,
This comprehensive guide covers everything you need to know about updating your YG300 projector software safely and effectively. Why Update Your YG300 Projector Software?
Press and hold the on the projector (or the remote) for 5 to 10 seconds. Installing the wrong firmware will break the device
Ensure the update file sits outside of all folders on the USB drive. Rename the file only if the manufacturer instructions explicitly say so.
Due to hardware variations among clones, flashing software is highly dangerous.
Stick strictly to H.264 encoded .MP4 files at a maximum resolution of 1080p (though the projector scales it down to its native 320x240 or 480x272 resolution anyway). Upgrading the "Software Experience" via HDMI