Yes, keep it up to date, especially the GS911 WiFi, when doing GS9911 WiFi updates dont get impatient let it run, wait til the completed message comes up
Re the WiFi interface, configure it into the workshop/home WiFi network, the WiFi unit is really 2 tools in one, traditional for PC app and modern with WiFi, the real time logging in WiFi interface can be a quicker fault finding tool at times especially when checking operation of switches etc