Updating the firmware on an HSPA USB modem (often called a "dongle") is a practical way to fix connection drops, improve data speeds, and ensure compatibility with newer operating systems.
Many firmwares lock to a specific carrier again. To unlock: hspa usb modem firmware update
Ensure your laptop is plugged into a power source. A power failure during a firmware flash can permanently break the modem. Close Other Apps: Updating the firmware on an HSPA USB modem
Connected. Speed: 7.2 Mbps.