My China Unicom number cannot send and receive text messages, what’s going on?

The solution to the problem of China Unicom mobile phone being unable to send text messages is as follows:

1. You can change the mobile phone and check whether it can send and receive text messages.

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

3. If not, you can 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.

The reasons for not receiving text messages or verification codes are as follows:

1. You can first check whether the mailbox is full, and if so, please delete some information;

2. If you still can't receive it after deleting it, you can change the phone or card and test to see if it's a hardware factor;

3. After eliminating the above reasons, you can test whether you can receive it in other locations to see if the local signal is weak. reason.

If none of the above problems exist, it is related to network functions. Please contact local customer service to handle this problem.