Warning: There is generally no official public software update available for the YG300 (and similar generic mini projectors).
You might encounter errors. Here is how to fix them: yg300 projector software update upd
Connect: Plug the drive into the projector while it is powered off or in the main menu. Important Summary Warning: There is generally no official
: Locate the specific firmware file for your YG300 model. These are typically named update.zip yg300 projector software update upd