Because this device is manufactured by various white-label brands under different names (like Leji, Lumos, or generic OEM labels), updating the software requires careful execution to avoid bricking the device. Why Look for a YG300 Software Update?
: Confirm the installation. The projector will scan the drive, find the file, and begin the process. Do not turn off the power during this time, as it can permanently damage (brick) the device. Important Troubleshooting & Resources yg300 projector software update upd
Plug your USB drive into your computer and format it to FAT32 . Note: This will erase everything on the drive. Because this device is manufactured by various white-label
If you cannot find a firmware update file, or if the update doesn't fix your problem, try a factory reset: Go to the in the YG300 user interface. Navigate to the System or Setting tab. Select Restore Factory Settings (or "Factory Reset"). The projector will scan the drive, find the
Press the Menu key on the remote control, navigate to the Set Sub-menu (System Settings), and select "Software Upgrade" or "Firmware Update". Step 5: Wait for Completion