Why can't Apple's 8pls phone send text messages? Can you get the message? But I can't send messages.

If the mobile phone can't send SMS when using Unicom mobile phone card, the following methods can be used to troubleshoot:

1. SMS center number is not set correctly. Please re-enter the correct SMS center number.

2. There is no signal or the battery of the mobile phone is insufficient;

3. The system is busy during the peak period of holiday SMS sending. It is suggested that you try again later or avoid the peak period of sending.

4. The sending format/number is incorrect;

5. The short message sending time exceeds 24 hours;

6. The mobile phone shields the short message sending function;

7. Blacklisted by SMS;

8. Insufficient quantity balance;

9.SMS inbox and outbox are full.

If the above reasons cannot be solved, you can contact the local Unicom customer service hotline for consultation.