How to turn on Apple's iMessage function?

Turn on your phone and click Settings. Go to Settings, and then click SMS. Enter the SMS and open the imessage message.

If the user wants to turn on the imessage function, just turn on the switch behind the imessage option. After opening the imessage function, you can start using the iMessage function, which still needs to be understood.

Find the settings icon on the main page and click to enter the settings page. After entering the settings page, the page slides down to find the information shown below. Click information to enter the following page. The first item on this page is imessage, which is set to on.

Next, in the information page, we find that there is an "iMessage information" option on the page, followed by a toggle button. Finally, we click the switch button behind the "iMessage Information" option to open it, as shown in the figure below, which means that the iMessage information function has been successfully opened.