Not receiving SMS messages

[demetrius]

#!/bin/bash

# This script will check all messages and delete all from the Modem
# Demetrius R. Paula Nov 2020

# Find the modem
modem=-1
for i in `seq 0 9`; do
    mmcli -m $i
    if [ $? -eq 0 ]; then
        modem=$i
        break;
    fi
done

echo "Modem is $i"

## Check all received and sent sms and delete them from the modem.
mmcli --modem 0 --messaging-list-sms | grep -oP '(?<=SMS/).*(?=.(sent))' | while read -r line ; do
mmcli --modem 0 --messaging-delete-sms=$line
done
mmcli --modem 0 --messaging-list-sms | grep -oP '(?<=SMS/).*(?=.(received))' | while read -r line ; do
mmcli --modem 0 --messaging-delete-sms=$line
done

# Print the list of remaining SMS'
mmcli --modem $i --messaging-list-sms


hope it is helpful.