networking - Can't connect to the internet using Huawei 3G USB modem - Ask Ubuntu

i used dongle on ubuntu 16.04 lts x64 without problem on 16.10 x64 didn't see "new mobile broadband" menu under network manager icon when dongle inserted awhile.

$ lsusb bus 001 device 005: id 12d1:15cd huawei technologies co., ltd. 

try , open terminal & type following :-

sudo apt install wvdial -y sudo eject $( echo "$(ls /dev | grep sr) \n" | grep "\n" | awk '{print $1}' ) sudo modprobe usbserial vendor=0x12d1 product=0x15cd sudo modprobe usbserial vendor=0x12d1 product=0x15cd sudo wvdialconf 2>&1 sudo nmcli radio wwan on && sleep 3 sudo nmcli radio wwan on && sleep 2 sudo nmcli radio wwan on && sleep 1 

then mobile broadband available create new connection.