when doing firmware updates to the HexNet be sure you have the latest version of the VCDS software which can be found at download. RossTechVCDS
VCDS 25.3.0 is a powerful PC-based diagnostic software that allows you to perform dealer-level tasks, such as: Scanning and clearing fault codes across all vehicle modules. Real-time data logging to monitor engine health and performance. Service resets for oil changes and brake pad replacements. Custom coding vcds 2530 kolimer loader 92