The workaround has been known since 2016. First appeared on the Seat Cupra site Leon navigation thread, Exciter is the person that devised it - think he's a geo database programming expert. You will find it published across European boards now. It's no secret. The overall.nds file is like a front index to a book. You can read the book reprinted as long it has the same index cover which is that file and has the library magnetic strip on the cover, the CID of the original SD card your unit is paired to. It was a design oversight. Basically overall.nds file is unique to each release but not associated with the CID. Thus people that delete the overall.nds file by accident can always get back to where they started from using the one on a download of the matching original release. People do, do this after messing it up. The workaround only works with mib2 standard, not mib1.
I guess you have noticed it shows you the trailer speed now. This is a bug that everyone has VW, Skoda etc with this release.
Other tricks you can do if taking the car out of Europe are in here. The thread doesnt cover the workaround but links to those that may want to take the car to Africa etc.
https://www.t6forum.com/threads/map-software-update-how-we-did-it.10250/
7zip is the unzipping program you are suppose to use. For the standard you might get away using the built in unzip in Windows 10. The link covers the Mac workaround for unzipping... I don't have a Mac. Mib2 is fussy about codes that Mac's can incorporate as part of the unzipping process. I know people on the main Leon navigation thread do it with Macs.
On that thread you see how the Europe regions are zoned into the 00 directory in the November release. It won't be long till the June release. Will be interesting whether they return to the all European release or zone or produced zoned and all Europe as VW do. They are all the same releases except you only find the all European release on the VW site at the minute.
As footnote the VAG MAC instructions for downloading as per October 2018 is to use the free utility CleanMyDrive 2 and Keka, whilst for the PC, 7zip.
ATTENTION
If the map update is performed using the Apple® OS X operating system you may find that
Discover Media does not recognise the map material or displays it incorrectly. This is due to
a lack of compatibility between the “7 zip” program and the OS-X operating system. In
addition, the OS-X operating system has a tendency to create hidden additional files on
external data media. We therefore recommend that OS X users use the “Keka” unzipping
program. We also recommend using the “CleanMyDrive” program to remove any hidden files.
I guess you have noticed it shows you the trailer speed now. This is a bug that everyone has VW, Skoda etc with this release.
Other tricks you can do if taking the car out of Europe are in here. The thread doesnt cover the workaround but links to those that may want to take the car to Africa etc.
https://www.t6forum.com/threads/map-software-update-how-we-did-it.10250/
7zip is the unzipping program you are suppose to use. For the standard you might get away using the built in unzip in Windows 10. The link covers the Mac workaround for unzipping... I don't have a Mac. Mib2 is fussy about codes that Mac's can incorporate as part of the unzipping process. I know people on the main Leon navigation thread do it with Macs.
On that thread you see how the Europe regions are zoned into the 00 directory in the November release. It won't be long till the June release. Will be interesting whether they return to the all European release or zone or produced zoned and all Europe as VW do. They are all the same releases except you only find the all European release on the VW site at the minute.
As footnote the VAG MAC instructions for downloading as per October 2018 is to use the free utility CleanMyDrive 2 and Keka, whilst for the PC, 7zip.
ATTENTION
If the map update is performed using the Apple® OS X operating system you may find that
Discover Media does not recognise the map material or displays it incorrectly. This is due to
a lack of compatibility between the “7 zip” program and the OS-X operating system. In
addition, the OS-X operating system has a tendency to create hidden additional files on
external data media. We therefore recommend that OS X users use the “Keka” unzipping
program. We also recommend using the “CleanMyDrive” program to remove any hidden files.
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