Here's a good pdf with information about jtagging various models of Vu+ when all else fails. Not sure if it currently can be adapted for the Vu+ Duo2, but it's a good read anyway.
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Here's a good pdf with information about jtagging various models of Vu+ when all else fails. Not sure if it currently can be adapted for the Vu+ Duo2, but it's a good read anyway.