After sending the text message, Apple's mobile phone shows that it has been shipped, indicating that the other party has seen it.

After sending the SMS, Apple's mobile phone shows that the delivery instruction has been sent successfully. The other party has received it, but I'm not sure if the other party has seen it.

Apple's mobile phone sends text messages as follows:

1, enter the short message function, and click the short message function in the upper right corner;

2. Click the Add button in the upper right corner. This is to add the recipient. Click to enter;

3. Click a contact in the address book as the recipient, and then edit the content of the message you want to send, as shown below: