If your projector is currently working fine, it is highly recommended to update the software. New firmware rarely adds new features or improves the native 320x240 resolution. Step 1: Identify Your Exact Manufacturer and Board Version
Insert the USB flash drive into the USB port on the side of the projector. yg300 projector software update
Prepare a USB 2.0 or USB 3.0 flash drive with a capacity of 32GB or less. If your projector is currently working fine, it
The projector should detect the file and begin a progress bar. yg300 projector software update