TV set top box invalid smart card what happened, yesterday was ok
The main reasons and solutions are as follows:1, the smart card authorization period has to lead to invalid, need to apply for renewal extension to normal use to the local TV service providers.2, the set-top box connected to the server has been upgraded, and the smart card is not upgraded, resulting in the authorization data is not timely refresh, so that wireless smart card tips; this needs to call the local television service provider, by the customer service online refresh authorization data of smart card users, refresh can be restored to normal.3, the smart card or set-top box failure caused the smart card invalid, this situation can only contact the local TV service providers to apply for change cards and maintenance set-top boxes to solve.
Power off, pull out the card and wipe it with an eraser. Plug in again, the boot should be good.If it is not used, the situation 1, card chip is bad, go to the neighbor for a card test.Situation 2, the set-top box is broken (read card parts, IC parts), take the card to the neighbor's set-top box to try.
Pull out the card, wipe it, and try again
