Your situation or what you need to get a working Internet connection with a mobile broadband USB dongle: You have the USB dongle, of course. You have a 3G, 4G or whatever SIM card with a data plan ...
I bought a tata photon 3G mobile broadband USB stick (model ZTE MF190). It's working with Ubuntu 12.04 32bit, but I am not able to connect it to 12.04 64bit machine. I was trying from last 15days. ...
I can't establish the mobile broadband connection (I created the new connection in NW) via USB 3.0 on Dell Inspiron 5520. Ubuntu 12.04. lsusb: Bus 003 Device 005: ID 12d1:1446 Huawei Technologies ...