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27,964 Posts
What disc for which hack? You aren't giving us much to go on here.
Posts by RRToadHall
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Joined
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27,964 Posts
Nav discs usually are not backwards compatible as firmware allows for newer versions. The cons? The main con is that the older disc is is rejected with an error message. Another possibility is that in exploring other options you completely brick your Navigation unit... not likely something you want to happen.
1 - 2 of 13 Posts
