the existing history from the vehicle. Every time you write new data, it wipes the current history and replaces it with your new list from scratch. Pro Version : Includes advanced features such as the ability to read current history
When searching for the "top" version, you want the release that supports the latest E-Sys protocols and KWP2000 / UDS standards. Here is what the premium cracked/free version includes: the existing history from the vehicle