Worldcup Device Driver Stb B860h Link
Hold the button (inside the AV port) or the Power button while plugging in the USB cable.
Driver signature enforcement re-enables after reboot. You must re-disable it permanently using bcdedit /set testsigning on in an admin command prompt (but be aware of security implications). worldcup device driver stb b860h link
Ensure you are using a USB 2.0 port on your computer. USB 3.0 (blue ports) and USB 3.1 ports often fail to establish a stable connection with the older Amlogic S905X chipsets found inside the B860H. Hold the button (inside the AV port) or