A .hex or .bin file provided by your device manufacturer (e.g., iFi Audio, Peachtree Audio).
The Comtrue-Inc Firmware Update Device offers several benefits for device users, including: comtrue-inc firmware update device
You may need specific libusbK drivers for Windows to correctly recognize the "Firmware Update Device" while it is in update mode. How to Update Your ComTrue-Inc Device comtrue-inc firmware update device