Unicom card mobile phone can't send and receive information. What's the matter?

According to the information you provided, the handling methods for the mobile phone's failure to send short messages are as follows:

1 You can change your mobile phone to see if you can send and receive short messages;

2 If you can send and receive short messages, I suggest you re-insert your card into your mobile phone and send yourself a short message to see if you can receive it.

3 if not, I suggest you check whether there is a problem with the sim card;

4 check whether the number of SMS center is set correctly;

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

The mobile phone can't receive the SMS or verification code for the following reasons:

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

2 you still can't receive it after deleting it. You can change the machine or card to see if it is a hardware factor.

3 after eliminating the above reasons, you can try to test whether it can be received in other places to see if it is the reason for the weak local signal.

if none of the above problems exist, please contact the local manual customer service to handle this problem.

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