My China Unicom card cannot send and receive text messages.

The solution to the problem that the mobile phone cannot send and receive text messages is as follows:

1. It is recommended that you change your mobile phone to see if you can send and receive text messages.

2. If you can send and receive text messages, it is recommended that you reinsert the card into your phone and send yourself a text message to see if you can receive it.

3. If not, it is recommended that you check whether it is a SIM card problem.

4. Check whether the SMS center number of the mobile phone is set correctly.

5. Bring your mobile phone card to the local business hall for testing or replacement of the mobile phone card.

6. Check whether the mobile phone has any abnormal activation status such as arrears.

If the above situation is still not resolved, it is recommended to consult China Unicom’s manual customer service.

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