@HaroldGPS
Later firmwares for most units invoke the gma protection which makes unlock codes by themselves useless for the devices, i.e. the map can be 'unlocked' (partly) with an unlock code, but it is still 'Not Authenticated'. BC can read 'locked' images of course. The only way to overcome the gma protection is to use an unlocker on the image file, either [Only registered and activated users can see links. ] or [Only registered and activated users can see links. ].
EDIT: Just noticed your Edit beneath the pic .. lol. Yes, gimgunlock always works best by dragging & dropping the image onto it.
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