: Hold down the reset button (inside the AV port or on the back) while plugging the USB cable into your PC.
Manufacturers roll out patches to resolve known system bugs, such as sudden Wi-Fi disconnections or audio-video sync errors. ubox 9 firmware
Disclaimer: Firmware updates are done at your own risk. Always ensure you have the correct files for your specific UBox 9 hardware. : Hold down the reset button (inside the