Hi all - I'm trying to install the latest (unlocked) TSM 2012.3 map on my Nuvi 205 but I can't get the device recognize the map.

I've tried installing both within the device and also on the microSd card, changing the name, placing it in a "Garmin" folder etc. but without any success.
I've never had any problems installing these maps on my 1490T and can't work out what the problem is.

I've tried to find a thread dealing with this problem but can't see any on this site.

Can anyone help me out here?

Many thanks in advance.