I am using Arch Linux, Trying to connect to internet using my D-Link mobilebroadband. ( using NetworkManager and ModemManager )I configured it using GUI ( setting APN/Network -Vodafone etc.. )But when trying to connect, it shows this :$ nmcli device connect cdc-wdm0 Error: Timeout 90 sec expired./etc/NetworkManager/system-connections/Vodafone\ Vodafone\ Connect file looks like this :$ cat /etc/NetworkManager/system-connections/Vodafone\ Vodafone\ Connect [connection]id=Vodafone Vodafone Connectuuid=6700a92d-d76c-4591-86c8-df2d8d3d30f1type=gsmautoconnect=falsepermissions=user:severus:;[gsm]apn=wwwnumber=*99#[ipv4]dns-search=method=auto[ipv6]addr-gen-mode=stable-privacydns-search=method=autothe  /etc/NetworkManager/NetworkManager.conf file is emptyoutput of journalctl -r -S 2017-06-06 -u NetworkManager ->https://ptpb.pw/xiudoutput of journalctl -r -S 2017-06-06 -u ModemManager https://ptpb.pw/s7ERNOTE: The same USB works fine on Ubuntu.
Unable to connect to USB 3G Mobile Broadband
arch linux;networkmanager;3g;gsm