Where is the set-top box smart card?
In front of the set-top box, from the front view to the right, there is a grid, with the hand pulled down, down opened, you see the card. Turn off the power before they can take the card out!Different location, set-top boxes are slightly different, but about the same! You can find it carefully!
There is a door in front of the right, press it down, loosen the cards that you can open the door, and there it is.
Digital TV set-top boxes are equipped with smart cards in this position:The smart card (the user card) of the digital TV set top box is installed in the right end of the set-top box panel. There is an open door outside the card cabin. It closes after inserting the user card and is in line with the front panel.