Alternative : Some versions may require holding both the and Volume Down buttons simultaneously after connecting the cable.
This is the standard way to enter Fastboot (also known as "Fastboot and Rescue Mode") on Honor tablets: how to open fastboot mode on honor pad x9
In the folder's address bar, type cmd (on Windows) and press Enter to launch the Command Prompt. (On Mac/Linux, open Terminal and navigate to the directory). Alternative : Some versions may require holding both