Apple SMS has been read. Did the other party see it?

It is estimated that everyone has seen the function of chatting with the read receipt on other chat platforms, which is still very convenient. Many Apple mobile phone users find that the read sign will be displayed after sending a text message. So did the other party read the Apple SMS? Let's take a look together ~

Did the other party read the Apple SMS? 1. Open phone settings, and then click Info.

2. Turn on the switch to send the read receipt.

This paper takes Apple 13 as an example and applies it to ios 15 system.