problème Network Manager

[Michel BRIEND]

Bonjour,

Mon téléphone LG-K130EE (K4) ne se connecte pas en mode modem usb sur 
Ubuntu Mate 16.04.3, problème Network Manager, voir détail en pièces 
jointes (connection ok avec Windows 10).

(L'icone disparaît du tableau de bord après plusieurs essais.)

Merci pour la solution.

Salutations

Michel Briend

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