DFT Pro Tool is a professional mobile servicing software used by technicians to flash, repair, and unlock Android smartphones. While newer versions (such as v6.7.2) have since been released, v3.9.7 remains a widely discussed "verified" version in technician communities due to its stability on specific chipsets. Key Features of v3.9.7

Added Network Repair for models like Redmi K40 (POCO F3), Redmi Note 13 Pro (garnet), and Mi A2 Lite. Infinix/Tecno/Itel:

Infinix/Tecno/Itel: Introduced bootloader unlocking for the MT6789 chipset and added support for factory resets and IMEI repair via Meta Mode.

Bug Fixes: Resolved previous issues where the software would hang during the "Sending Auth" stage for MTK devices. How to Install DFT Pro V397

Official Documentation: The best place to start would be the official website or documentation of the software. Look for a "help," "guide," or "manual" section.

Bypassing MDM: Version 3.9.7 includes options for MDM (Mobile Device Management) bypassing, though this is often a temporary solution rather than a permanent fix.