Install modem-manager-gui by entering the following commands in the terminal:
sudo apt update sudo apt install modem-manager-gui
Description:
GUI front-end for ModemManager / Wader / oFono
This program is a simple graphical interface for ModemManager, Wader and oFono daemon D-Bus interfaces. It can send, receive and store SMS messages, send USSD requests and read answers in GSM7 and UCS2 formats, and scan for available mobile networks.
Homepage: https://linuxonly.ru/page/modem-manager-gui
Version: 0.0.19.1-1
Section: universe/net