| Problem | Likely Solution | |--------|----------------| | USB not detected | Reformat to FAT32, try another USB drive (8GB or smaller works best) | | Update fails halfway | Redownload the file – it may be corrupted. Check MD5 if provided. | | Projector won’t boot after update | Perform a factory reset (pinhole reset button near ports) | | “Wrong firmware” error | You have a different chipset. Ask support for the correct variant |

There are two main ways to update: through the on-device settings (OTA) or manually using a USB drive. Option 1: Automatic Over-the-Air (OTA) Update