lacks the SoundBar firmware of the CAA model, Huawei occasionally releases system updates to improve display stability or OSD (On-Screen Display) performance. These can sometimes be applied via a connected PC using specialized Firmware Upgrade Tools .
If the official ZQE-CBA driver is unavailable, the or generic MBIM driver (inbox since Windows 8) may work for basic network functionality. However, advanced features (GPS, firmware update, signal stats) will not be accessible. huawei zqe-cba driver