Locate the update file. You can find unofficial "exclusive" firmware links on community-shared platforms like Google Drive (shared via Unic manuals) Extract the contents if the file is a Prepare the USB Drive Copy the firmware file (e.g., MstarUpgrade.bin or similar) directly to the root directory of your FAT32 USB drive (do not put it in a folder). Initiate the Update Method A (Menu Mode):
: If a firmware update fails or is incompatible, the screen may turn entirely white. You will need to re-flash a known working older version using the hard reset method described above. Miracast/Wi-Fi unic uc40 projector software update exclusive download
Safely remove the USB flash drive so the device does not attempt to reinstall the update on the next boot cycle. Troubleshooting Post-Update Issues Locate the update file