I get this: C:\Windows\System32>fastboot flashing unlock

< waiting for device > I used the cable from usb-c to usb-c and usb-a to usb-c but the same thing happened and when I entered abd reboot bootloader the device restarts but ends up in the bootloader where I just start reboot If I can select bootloader or power off, what do I have to do?

Eine deutsche Antwort ist auch möglich lg