The Acer I110 Download Mode ADB Interface Windows driver is typically used for connecting an Acer I110 device (likely a tablet or smartphone) to a Windows PC for development or troubleshooting purposes. ADB (Android Debug Bridge) is a tool used by developers and technicians to communicate with Android devices for actions like installing apps, accessing system logs, or performing firmware upgrades. When the device is in Download Mode, it allows the system to interface with the device at a low level to facilitate tasks like flashing the device with new firmware or running system-level commands.