device worked as described. The interface is reminiscent of a 10-year-old GPS and is just as slow. But again, this is a carport interface and a USB 1.0 port used for a computer. The manual was spartan too, and you had to fiddle with menu screens to get things done. In fairness, the device performed reasonably well. The question concerns "Upgrade". They install a program on your computer that forces you to enter an email address and one of the identifiers on the main screen. They could just send you the update files to write to your SD card, but I don't think they want to give you the files so the device can be used on a model of a car line that you didn't "purchase." " to have. this. They don't want to give you the files to work on Audi if you bought the Porsche version. A problem with the upgrade could lead to a bigger problem in the future. During installation, as with any software, your computer will ask you if you allow it to make changes to your computer, to which you will of course answer yes. The window also warns you that the software is NOT verified by the publisher. While the program worked perfectly, User Account Control (UAC) was disabled in the process. This is a setting that alerts you to changes that need to be made to your computer. The software may be safe, but if the setting is disabled, you could potentially download something at some point in the future that makes changes without your knowledge. You might discover that the Nigerian prince is actually a frog. Therefore, you should make a note of your UAC settings before installation so that you can save them somewhere you like. Type UAC in the search box and a window will open with your settings. happy driving.
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