Step 4: Fallback method for installing full update
This is the way that I updated my maps. It's more painful than the way I posted earlier, so I hope the previous method is good enough. I've spent so much time going through map updates that I just don't have the motivation to go back and do it again! Hopefully someone will chime in soon with a success story.
The problem is that the maps are getting too big. If there's not enough free space in the radio to fit the updated files, the validation process will fail.
There is a way to 'clean' out the radio of the older map files so that enough space is recovered for a full update.
Unfortunately, there's no way for us to plug a computer into the radio and make any changes, so we have to use the UConnect method.
When you install the new map, the old files are deleted during the process. If you do not have new files to replace them in the update USB stick, nothing gets copied in their place so the internal flash drive space is released.
I used a three-step process, but maybe steps 2 and 3 can be combined into one single step.
Step 1:
1) On the USB stick, create another folder in the root named "Disabled".
2) Move all of the
Garmin subfolders (ASR, JCV, & SID) into the "Disabled" folder.
3) Plug the USB stick into the car and perform the update. It will be faster, since fewer files are installed.
When this is done, you will have only updated the three files in the
Garmin folder, gmapprom.img, gmap3d.img, and gmaptz.img. This will give you updated detailed maps, 3D landmarks, and time zones.
Step 2:
1) On the USB stick, move gmap3d.img & gmaptz.img from the
Garmin folder into the Disabled folder. Leave gmapprom.img in the
Garmin folder.
2) Move the JCV folder from the Disabled folder into the
Garmin folder.
3) Plug the USB stick into the car and perform the update again.
When this is done, the Junction View is now installed, and the 3D landmarks and time zones are still there.
Step 3:
1) On the USB stick, move the ASR & SID folders from the Disabled folder into the
Garmin folder. Leave gmapprom.img and the JCV folder in the
Garmin folder.
2) Plug the USB stick into the car and perform the update once again.
After this is completed, the system is fully updated to the new maps and all features work except for the phone number lookup.
As I mentioned, steps 2 & 3 may possibly be done in one step after cleaning out the old files in step 1.
Hier noch eine Zusatzanleitung zum Update. Das mit dem DISABLE-Ordner ist wichtig, da das Kartenimage zwischenzeitlich so groß ist, das ein Update auf 2 Steps gemacht werden muß.
Hier noch ein kleiner Auszug über funktionierende USB-Sticks.
8GB+ USB Stick (the systems are very picky about the USB drives... if one does not work try a different one... slower drives works best)
Reported working drives:
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