The is an official utility used by Huawei service centers and advanced technicians for flashing firmware, unbricking devices, and diagnosing hardware issues. It is the successor to older tools like eRecovery and some functions of the Honer/Hisuite tools.
Depending on the state of your phone, there are two ways to connect: huawei flash tool idt 2.0
Using the wrong firmware file can permanently damage the device's motherboard. The is an official utility used by Huawei