Wed May 23, 2012 6:06 pm
http://download.garmin.com/sg/download/MapUpgrade/201210/SgMyMal_201210_3790.exe
http://download.garmin.com/sg/download/MapUpgrade/201210/SgMyMal_201210_2465.exe
http://download.garmin.com/sg/download/MapUpgrade/201210/SgMyMal_201210_1350.exe
http://download.garmin.com/sg/download/MapUpgrade/201210/SgMyMal_201210_1250.exe
http://download.garmin.com/sg/download/MapUpgrade/201210/SgMyMal_201210_205.exe
back up your old map/jcv into your pc.
unzip/unrar TypeX.exe (X = 1/2/3/4/5).
unlock gmapprom.img from MapData folder using either Fast IMG Unlocker, Garmin UnLocker Alternative - Latest Update or JetMouse Garmin Keygen v1.5 with Checksum Fix.
copy gmapprom.img into your device (Garmin or .System folder).
copy .jcv from MapData/JCV into your device's JCV folder.
for nüvi 3xxx/2xxx series only, copy files from MapData/ASR and MapData/SQLite into it's respective folder in your device.
for nüvi 3xxx series only, copy gmap3d.img into your device (.System folder).