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 YG300 does not natively support Dolby Digital (AC3) audio encoding due to licensing limits. If your videos are silent after an update, it is likely a video codec issue rather than a software bug. You will need to convert your video files to standard AAC or MP3 audio using computer software like Handbrake before playing them. Alternative Solutions: When a Software Update Isn't Enough yg300 projector software update
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Unplug the power cable for 5 minutes. Plug it back in and turn it on. If it stays black, the firmware file used was likely incorrect for your specific motherboard revision. To help pinpoint the right solution, please share: The YG300 does not natively support Dolby Digital
Use a USB 2.0 or USB 3.0 flash drive formatted to FAT32.
Because the YG300 relies heavily on external media sources, keeping your streaming devices updated is often more critical than updating the projector itself:
If they provide a firmware file, they will typically send a .bin file. To install it, you will need to format a USB drive to FAT32, place the file in the root directory, insert it into the projector, and follow a specific button combination (usually holding the Power button while plugging the device in) to initiate the flash sequence. Frequently Asked Questions (FAQ) Can I install Android on a YG300 Projector?