What does imessage, Apple's mobile phone, mean by "sending a read receipt"?

You can see each other typing by using the send receipt and the read receipt. In addition, you can initiate a conversation on one iOS device and then continue it on another device.

When using the Send Receipt and Read Receipt, you can see the status of the sent and read information.

You can set the IPhone SMS reading receipt.

The specific setting steps are as follows:

First, enter "Settings";

Second, enter the "information" under the settings;

3. Turn on or off the "Send Read Receipt" switch as required.

Here is a warm reminder: after opening iMessage, mobile users should not close it easily. It takes 1 yuan to reopen after closing, and there is no need to upgrade the system frequently.