Using a serial terminal (e.g., PuTTY) on COM3 at 115200 baud , send:

Ensure the device is at least 50% charged or plugged into a wall outlet.

"Check for Update." If available, follow the prompts to install. Method 2: The LinkZone App

Mitigations:

: The firmware is optimized for this chipset to maintain Cat4 LTE speeds (up to 150 Mbps) for up to 15 simultaneous users.