How to disable SMS on the Mudi v2?

I've read the below thread and tried both solutions mentioned but neither accomplished anything.

I want to permanently disable SMS capability on the Mudi V2, without disabling data. How do I do this?

Thank you.

Hi,

Please try executing this AT command in the GL GUI > Internet > Cellular > ··· > Modem AT Command:
AT+QCFG="ims",0
And reset modem in "Shortcut".

I entered that AT command, then rebooted the entire router, because I couldn't find the "Shortcut" you were referring to.

It didn't work. Text messages still come through.

Hey,
You can execute the following commands after logging in via SSH. The SMS function depends on your usage scenario. Please use these two commands with caution. Thank you

/etc/init.d/smstools3 stop
/etc/init.d/smstools3 disable

If you want to disable SMS even after restarting, you still need to execute the following command

mv /etc/rc.d/S90sms_manager /etc/rc.d/K90sms_manager
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