If the device shows up with an error or "unknown" icon in Device Manager, follow these steps:
If you get ERROR on basic commands, your driver is installed but the modem firmware is locked. You will need a (different software entirely). zte at interface driver upd
As the team pored over lines of code, suggestions flew back and forth. The air was filled with the hum of discussion, punctuated by the occasional keyboard tap or muttered curse. If the device shows up with an error