This is usually a power supply issue. Try using a shorter USB Male-to-Male cable, or connect the cable to a USB 2.0 port on the back of your PC motherboard rather than a front-panel USB 3.0 port.

While keeping the pads shorted, plug the USB Male-to-Male cable into the (the port closest to the MicroSD slot) of the B860H and the other end into your PC.

Worldcup Device Driver Stb B860h Link • Ultra HD

This is usually a power supply issue. Try using a shorter USB Male-to-Male cable, or connect the cable to a USB 2.0 port on the back of your PC motherboard rather than a front-panel USB 3.0 port.

While keeping the pads shorted, plug the USB Male-to-Male cable into the (the port closest to the MicroSD slot) of the B860H and the other end into your PC. worldcup device driver stb b860h link