Hello and thanks to help me. I can't upgrade modemmanager :
sudo apt install modemmanager modemmanager est déjà la version la plus récente (1.6.8-2ubuntu1). And for libmbim and libqmi : sudo apt install libmbim libqmi Lecture des listes de paquets... Fait Construction de l'arbre des dépendances Lecture des informations d'état... Fait E: Impossible de trouver le paquet libmbim E: Impossible de trouver le paquet libqmi My sources.list file (updated) : #deb http://fr.archive.ubuntu.com/ubuntu/ bionic main restricted #deb http://fr.archive.ubuntu.com/ubuntu/ bionic-updates main restricted #deb http://fr.archive.ubuntu.com/ubuntu/ bionic universe #deb http://fr.archive.ubuntu.com/ubuntu/ bionic-updates universe #deb http://fr.archive.ubuntu.com/ubuntu/ bionic multiverse #deb http://fr.archive.ubuntu.com/ubuntu/ bionic-updates multiverse #deb http://fr.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse #deb http://security.ubuntu.com/ubuntu bionic-security main restricted #deb http://security.ubuntu.com/ubuntu bionic-security universe #deb http://security.ubuntu.com/ubuntu bionic-security multiverse deb http://fr.archive.ubuntu.com/ubuntu/ bionic-proposed restricted main multiverse universe I tried to remove modemmanager and reinstall it, but : E: Le paquet « modemmanager » n'a pas de version susceptible d'être installée ** Summary changed: - No connexion with mobile broadband + No connexion with mobile broadband DW5811e Snapdragon™ X7 LTE ** Summary changed: - No connexion with mobile broadband DW5811e Snapdragon™ X7 LTE + Unavailable connexion with mobile broadband DW5811e Snapdragon™ X7 LTE -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1821052 Title: Unavailable connexion with mobile broadband DW5811e Snapdragon™ X7 LTE To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1821052/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
