Continued – Loading.kwi – Analyzing (patching?) the Denso Navigation firmware…

So now that I had a little more time I moved a little further into this (also a friendly forum member loaned me a release 5.1 DVD which happens to have a difference firmware). I’ve found that the “Program Block’s” within the hardware modules have a 32bit checksum as the last 4 bytes of each […]

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Loading.kwi – Analyzing (patching?) the Denso Navigation firmware…

I purchased a used Lexus not terribly long ago with Factory navigation. I also had a Mitsubishi which had it. And both apparently used the same Navigation software, done by Denso. The lockouts and nag screen have finally pushed me to the edge of starting to dig into the mechanisms by which these work. I […]

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