What does HuHuTongTong think of encrypted card numbers? Why can't you send text messages?

The account password card number is located on the back of the card.

Insert the card into the set-top box and it can be used normally. If the SMS can't be sent out, it may not be inserted or the set-top box is faulty. If the set-top box is red, it may be that the power board or motherboard of the set-top box is faulty. If the equipment breaks down, please ask professional technicians to repair it. There are many electronic components in the equipment, so it is not recommended for users to open the box for maintenance by themselves.