https://support.lenovo.com/bd/en/downloads/ds001503-huawei-em660-wireless-wan-firmware-for-windows-7-32-bit-64-bit-vista-32-bit-64-bit-xp-thinkpad-edge-13-edge-14-edge-15-edge-e30-edge-e40-edge-e50-t410-t410s-x100e-x201-x201-tablet
HUAWEI EM660 Wireless WAN Firmware for Windows 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP -...
HUAWEI EM660 Wireless WAN Firmware for Windows 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad Edge 13, Edge 14, Edge 15, Edge E30, Edge E40, Edge...