: Click "Make" to write the bootable image to the card. Once finished, insert it into the powered-down TV box and boot it up (you may need to use the "toothpick method" by holding the reset button inside the AV jack while plugging in power).
Using incorrect firmware or losing power during the flashing process can permanently damage ("brick") your device. If you'd like, I can help you find: The exact firmware for your specific TV box model.