Thank you very much; sudo apt update and sudo apt upgrade work properly, attached I will also send you the output of the software-properties-gtk --debug command.
Already checked, is not compatible with my device. There are so much brands and models of smartphone, take a look to the follow link: https://en.wikipedia.org/wiki/List_of_Android_smartphones
I have solved on Pure OS typing on the terminal "nohup sudo lshw-gtk" (enter the password): so when I close the the terminal, lshw-gtk (GUI) remains open.
I installed lshw-gtk from Synaptic Package Manager and automatically created an icon (Hardware Lister) in the application menu, when I click on the icon opens the terminal asking for the password but do not accept the administrator password
"About to execute lshw-gtk.
This command needs root...