So a “Roadtop CarPlay update” means:
How to update
Updating firmware carries the risk of "bricking" the device if power is lost or the wrong file is used. It is a "don't fix it if it isn't broken" scenario; if your CarPlay is currently running smoothly, an update may not be necessary. Always contact the official vendor to get the specific file for your hardware version, as using a generic file from a forum can lead to hardware failure. roadtop carplay update