If your device still shows a "Hisilicon Fastboot" screen, you do not need IDT. Use DC-Unlocker. Only use IDT when the device is a ghost (showing as "USB Serial Device" with no response). The Huawei IDT tool is a powerful, dangerous, and essential piece of software. It is the last line of defense against a paperweight brick. However, due to the security implications (bypassing FRP and secure boot), legitimate links to the software are often DMCA'd or hidden behind paywalls.
Standard flashing tools like SP Flash Tool or Fastboot often fail when a Huawei device is completely dead or has a corrupted preloader. This is where the (Intelligent Download Tool) enters the room. idt tool huawei
Use IDT only for legal device repair on hardware you own. Flashing modified preloaders or unlocking network locks via IDT may violate local telecommunications laws. If your device still shows a "Hisilicon Fastboot"