Hello all, I have found the comments in various threads very helpful in (eventually) updating the maps in my Karoq from 2018 to the latest '2025/26' version so I thought I would reiterate and run through the whole process here step by step whilst avoiding the pitfalls -- one or two of which I have myself encountered and overcome by patiently sifting through comments scattered throughout the forum threads. So, the summary steps: 1/ Go to the Skoda update portal and type in your VIN (doublecheck it!) and then click the 'search' magnifying glass. https://updateportal.skoda-auto.com/en-GB 2/ It will bring up the latest map appropriate for your vehicle hardware -- whether Amundsen or Columbus -- so you don't even have to figure out which one you have. (Mine is Columbus). Download the offered file to a suitable directory on your hard disk. It is many gigabytes in size so depending on your internet speed (and how much Skoda servers bottleneck the many downloads they have to cope with) it may take many minutes to several hours. (For me it took 2hrs - after a first attempt which failed - note if your computer goes into sleep mode, it may not resume download after waking). It will be a zipped file. 3/ Prepare a memory device (SD card or USB stick) to transfer the files to the car. NB! Here lies one of the pitfalls which made mine fail the first couple of occasions. The Navigation hardware in the car is VERY FUSSY about the file format used on the transfer memory device. The memory device MUST have a file system with the 'default' or 'standard' cluster size. Manufacturers of different brands 'adjust' the cluster size when sold. For example, I had a 64gb SanDisk USB stick (a very reputable brand) which came with a FAT file system. Now, FAT file systems are not supposed to be used for memory devices larger than 32gb but SanDisk had adjusted the cluster size to make it work. My Windows 10 computer (and others) wrote and read from it fine, but the car Navigation hardware did not recognise or find any of the files on it and update failed. Hence the essential NEED to re-FORMAT your memory device. On Windows 10, this was automatically re-formatted to have the exFAT file system with the 'standard' cluster size etc. 4/ With the freshly Formatted USB stick or SD card, insert it into your computer and extract the zipped file you downloaded from Skoda to the root directory of the USB/SDcard. The extract function in the Win 10 File Explorer works fine to do this. There must be NO OTHER extraneous files on the USB/SDcard. The root directory of the USB/SDcard will now contain just 3 entries -- folder MiB1 (and its subdirectories), folder MiB2, and metainfo2.txt. Don't mess about with any of these files (-- but see other threads about !bad! Apple computers adding !hidden! extra bits to files which you have to remove). 5/ At the car, preferably first charge the car battery with an external charger till it has a good charge. If it has a RESTING voltage of at least 12.65v measured at the battery BUT at least 2-3hr AFTER everything has been switched off (not even opening a door - leave the bonnet unlatched for access) then it has a good state of charge (80%+). Any little current draw from a lead-acid battery will alter the voltage for an hour or two. 6/ Insert your USB/SDcard into the car, switch on the ignition and bring up the Navigation map screen. At the bottom of this screen select Settings. This brings up navigation settings, select Version Info, at bottom of Version Info you can now select 'Update-SD/USB'. It will then say 'searching for update files'. If you have done everything right so far, it will then offer you the version it has found on your USB/SDcard (....or frustratingly say 'no update files found'!) Select 'Next' and 'Software update in progress' will then run slowly and steadily from 0% to 100%. DURING this update, you can switch off the ignition and close the car doors -- but as another poster (Till) says, you must open a car door periodically at least every 15 min to keep the Nav and Infotainment system awake as it goes to sleep about 20min after the last door opening and the update will stop (temporarily). The whole upload to the SatNav in the car, for me, took 50min to finish. You could drive around in the car during this time but the update will probably take longer as the Infotainment system will also be tied up doing other things. Note that at 100%, there is a long pause where nothing seems to happen. This is normal. 7/ After 'Software update complete', select 'OK' & it will just return to the normal Navigation map screen. There was no need to 'reboot' or anything else - as some posters have reported. I hope this helps, and good luck!