To give you the exact script or URL for your device, I need to know a little more about your setup: Who is your (e.g., Three, EE, Vodafone)?
Without the exact method for the ZTE MC801A, I recommend: zte mc801a hidden menu
) provides basic controls, the hidden menus unlock features like manual band selection, cell locking, and antenna toggles that are critical for optimizing performance in weak signal areas. Access Methods: Direct URLs and Scripts To give you the exact script or URL