Nova 5t - Flash File Portable

If your phone turns on but has critical bugs, the official HiSuite desktop application can safely re-install or update the system firmware.

This method is used when you can access your phone's bootloader and requires a PC.

Flashing can be done using several methods, depending on your device's state: How to FLASH HUAWEI phone Using SD card [Full Tutorial]

Once completed, the phone will automatically reboot into the freshly installed system. Method 2: Using Huawei PC Suite (HiSuite) Proxy

Resolves instances where the device sticks on the Huawei logo during startup.