Always make sure you use an uninterrupted power source during this process. A sudden power failure can permanently brick your projector's motherboard. Key Technical Specifications of the Unic UC40
What are you trying to fix with this update? (No sound, freeze, logo loop?) unic uc40 projector software update download new
Reduced system crashes, random reboots, and lagging menus. Always make sure you use an uninterrupted power
Connect your projector to a stable power outlet. Power loss during a firmware flash will corrupt the motherboard. logo loop?) Reduced system crashes