This is a specific cable with a standard USB plug on both ends. It connects your PC to the specific "OTG" USB port on your TV box.
Flashing budget silicon can sometimes result in errors. Here is how to fix the most common issues: amlogic s905l2 firmware link
Some popular firmware links for the Amlogic S905L2 SoC include: This is a specific cable with a standard
Insert a toothpick into the AV port until you feel a button click. Hold it down. amlogic s905l2 firmware link