Unicom card can't send short messages to mobile.

If the query is that you can't send SMS by using Unicom mobile phone card, it is suggested to check it in the following ways: 1, and it is suggested to change your mobile phone to see if you can send and receive SMS; 2. If you can send and receive short messages, it is recommended to re-insert the card into your mobile phone and send yourself a short message to see if you can receive it; 3. If not, it is recommended to check whether it is a sim card problem; 4. Check whether the number of SMS center is set correctly. If the problem still cannot be solved, it is suggested that you can take your mobile phone card to the local business hall for testing.