IDT is the professional tool used in service centers. It is best for completely dead (hard bricked) phones.
I can help point you toward the right toolset and exact firmware specifications for your situation. AI responses may include mistakes. Learn more Share public link nova 5t flash file
If the phone is stuck in a boot loop (cannot access the update screen), you may need to use a PC tool like or Erepro : Install Huawei USB Drivers on your PC. IDT is the professional tool used in service centers
Use an original or high-quality OEM USB cable to avoid connection drops. nova 5t flash file
Method 3: Using Professional Flash Tools (For Bricked Devices)