How do I set up my iPad to receive SMS?

You can set iMessages function on two devices, so that iPad and iPhone can receive SMS at the same time (prerequisite: both devices are logged into the same apple id account).

The setting method is as follows:

Open information in iPhone settings.

Click to turn on the iMessages function switch.

Similarly, open Messages in iPad settings.

Click to turn on the iMessages function switch.

After completing the above settings, iPad and iPhone can receive SMS at the same time.