what does message blocking mean

Hello Welcome92,

Thanks for reaching out to us in Apple Support Communities about not being able to setn SMS messages. We're happy to help by looking into this more! 

The following support article provides some troubleshooting steps to try for this behavior: If you can't send or receive messages on your iPhone or iPad - Apple Support

1. Update your device to the latest version of iOS or iPadOS if needed.

2. In the Settings app, tap Cellular. Make sure that your phone line is turned on. If you use multiple SIMs, make sure that the phone number you want to use is selected and turned on.

3. In the Settings app, tap Messages. Turn iMessage off and then back on.

4. Tap Send & Receive.

5. Tap the phone number that you want to use with Messages.

If you still have issues after trying these steps, reach out to your carrier for help.

Hope this helps.

Best Regards.

Welcome92,

Thank you for the update. You can try an update, but you would also want to reach out to your carrier.

Regards.