@esmar
Maps that are unlocked by using a unlock code can be unlocked either for a specific unit (Unit ID) or a specific memory card (CID). In this case it looks like you have a UNL-file (like "gmapsupp.unl") with a 25 character unlock code and that code is only valid for your previous GPSMAP 620 and it's Unit ID. Maps with a unlock code for a combination of map & memory card makes the memory card with the maps transferable to other Garmin units.
If you have bought the map from Garmin then they should issue a new unlock code and possibly a GMA-file also. If the map is downloaded for "free" from a forum you might either regenerate a new unlock code with [Only registered and activated users can see links. ] (this works well if FD/MapID is < 2200) or you can remove the map lock completely with a tool like [Only registered and activated users can see links. ] .
Keep a backup of the original VEU704L if you have to redo some steps in the process.
We have VEU704L v11.50 here: [Only registered and activated users can see links. ]
and I'm going to upload VEU704L v13.00 today. Here's that thread [Only registered and activated users can see links. ]
How to get the memory card CID: [Only registered and activated users can see links. ]
[Only registered and activated users can see links. ]
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