Why my new iPhone 13 pro don’t have i message?

Did you setup Messages on your iPhone?

Follow the instructions in this guide published by Apple ➔ How to setup Messages on your iPhone.

Axel F.

Yes you do, iMessage is in the Messages app.

If you send a message to another Apple user it will send as an iMessage text.

And will automatically convert to be a SMS text to other phone brands.

More info below:

Using iMessage => Use Messages on your iPhone, iPad, or iPod touch - Apple Support

Troubleshooting iMessage activation => If you can’t turn on or sign in to iMessage or FaceTime - Apple Support