use garmin chinese no pain version in sticky thread
if maps are unlocked put them directly in your device ,if not unlock them with jetmouse keygen, renominate them like the map you have now in your device
these are the names of the maps stored in a nuvi
1) gmapprom.img - Preloaded Map
2) gmapprom1.img - Preloaded 2 Map (If there is)
3) gmapsupp.img - Secondary Map
4) gmapoem.img - OEM Supp map (Unable to tick or untick it)
5) gmapsup2.img - Secondary 2 Map (Older Model?)
6) gmaptz.img - Time Zone Map
7) gmap3d.img - 3D Image Map (7x5 Series)
8) gmapbmap.img - garmin Base map
Storage Card :
1) gmapsupp.img - Secondary Map
2)gmap3d1.img - as second 3D Buildings Map (7x5 series )
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