DFT Pro could refer to a variety of things, but given the mention of "v397," it likely refers to a specific version of software or a tool used in a particular field. Here are a few possibilities:
The release of introduced several verified features primarily targeting Xiaomi Qualcomm devices and enhanced support for Infinix, Tecno, and Itel models . This version is part of a series of professional service software updates designed for flashing, repairing, and unlocking smartphones. Key Features and Supported Models dft pro v397 verified