A dedicated virtual serial COM port used to transmit configuration instructions, query signal strength, read SIM card parameters, and manage SMS functionality via legacy command architecture.
Locate the ZTE device (it may have a yellow exclamation mark if not working). Right-click it, select Update Driver , and choose Search automatically for drivers Manufacturer & Catalog Downloads Microsoft Update Catalog zte at interface driver upd
Look for a CD Drive icon labeled , Beeline , Vodafone , or Mobile Broadband . A dedicated virtual serial COM port used to