mmcli

Control and monitor the ModemManager. More information: https://www.freedesktop.org/software/ModemManager/man/latest/mmcli.1.html.

• List SMS messages available on the modem:

sudo mmcli --modem={{modem}} --messaging-list-sms

• Delete a message from the modem, specifying its path:

sudo mmcli --modem={{modem}} --messaging-delete-sms={{path/to/message_file}}