Use a FAT32-formatted USB drive for the update.
Previous UC40 units forgot your keystone corrections after unplugging. The software update saves these settings permanently. unic uc40 projector software update exclusive download
Remember: always download from the official sources listed above, never pay for firmware (it is free), and follow the USB preparation steps precisely. A successful update will give you a stable, feature-rich projector that lasts for years. Use a FAT32-formatted USB drive for the update
Check for Updates
To update your UNIC UC40 projector software, follow these steps: unic uc40 projector software update exclusive download
Go to Menu > Information on your projector to find the current firmware version.