Why zte usb modem connect failed?

— No, the device is not compatible because it uses a different technology. The...

— No, the modem won't run on Linux Ubuntu 14.10 or higher. The device is...

— This is a USB modem which is attachable to PC. On that PC, you will need to...

— There are many reasons that may cause the Error 678: a network cable is...

— Check the settings of the support software. It's possible that the device is...

— You can't repair the modem because that is not possible, however, you can...