The UC40 sometimes struggles with high-capacity drives. Try a smaller USB stick (under 16GB).
Insert your USB drive into a PC and format it to FAT32 . Unic Uc40 Projector Software Update Download
Turn on the projector and navigate to Settings > System > Software Update (USB) . The UC40 sometimes struggles with high-capacity drives
Adds support for newer video codecs and MKV files. Unic Uc40 Projector Software Update Download
What is your (found in Settings > About)?
Websites like XDA Developers or specialized projector forums often host archived firmware files. Ensure the file name ends in .bin or .img . 3. Retailer Support
Improves stability when using HDMI or USB inputs.