If a Kirin device completely blanks out and registers in Device Manager as "Huawei USB COM 1.0," the phone is in an emergency download state.
The Ultimate Guide to Huawei Kirin USB Drivers: Installation, Troubleshooting, and ADB Setup huawei kirin usb driver
Look for the following entries depending on your connection state: If a Kirin device completely blanks out and
If you see a yellow exclamation mark ( ! ) next to any device name, the driver did not install correctly. Troubleshooting Common Connectivity Issues huawei kirin usb driver
Some older Kirin bootloaders struggle to communicate efficiently over USB 3.0/3.1 ports. 3. Manual Device Manager Update If the driver is installed but not assigning correctly: