Navigate to > Manage Updates > Update Now to install the latest internal software.
: If the automated setup does not start upon plugging in the device, navigate to "My Computer" (or "This PC"), find the HUAWEI Connection Manager drive, and run Windows Device Manager : For a quick refresh of existing drivers: Right-click the icon and select Device Manager Click your computer name and select Action > Scan for hardware changes to prompt Windows to find missing or updated drivers. Compatibility Mode huawei e3276 driver upd
Most people searching for are stuck in the wrong mode. Updating the driver often means forcing the modem into the correct operational state. Navigate to > Manage Updates > Update Now