Guide to software update in VW Golf MK7 with MIB2 Discover Media infotainment system. This car is equipped with #MIB2 Standard unit made by Technisat/Preh and it came from the factory with MST2_EU_VW_ZR_P0245T #firmware (software number 0245). The latest firmware officially available for this unit is 0254 (SW train: MST2_EU_VW_ZR_P0254T). But there are ways to force #update to even higher versions like 0478.

⚠️ Warning! You are doing it at your own risk! This procedure can overwrite your custom modifications (CP-OFF, CID-Lock, SWaP patch, custom skins, Toolbox, Personal POI).

⚠️ Make sure your cars battery is in good shape, use external power source, or turn the engine on for the update process to make sure that voltage drops will not interrupt firmware update.

💻 Firmware files can be found here: https://mibsolution.one
Use user/password: guest/guest to access the website.
Navigate to MQB_Solution directory and select your type of unit.

🛠 Procedure
1. Enter hidden menu and check your current SW train.
2. Find and download latest supported firmware update for your unit.
3. Use 8GB or larger SD card, format it with FAT32 file system with the smallest allocation size available.
4. Copy firmware update files to the root directory of the SD card.
5. Remove SD cards from the main unit and insert update SD into SD1 port.
6. Press and hold MENU button for 3 seconds, select "Software update/versions", "Update", "SD card", select firmware, press "Start" and "Next".
7. Wait patiently. Main unit will reboot 3 times before the new firmware is installed.
8. When the installation is complete you can press the arrow in the upper-right corner, "Cancel". Unit will reboot one final time.
9. Press and hold MENU button to confirm that the unit is running new firmware version now.
10. Use scan tool like OBDeleven or VCDS to clear the B201A fault code according to this tutorial:    • Fix SVM code B201A - Checking softwar...  

ℹ️ MIB2 units are made by 3 different vendors - Harman, Delphi, Technisat/Preg. Each vendor is developing its own firmware version and release its own updates.

ℹ️ MIB units have different generations - MIB1, MIB2, MIB3. Also different tiers - Entery, Standard, High, Premium. Also separate releases for different platforms - ZR and PQ; and separate regions - EU, NAR, JP, KOR, RoW. And each car manufacturer has its own brand-specific versions - Audi, Volkswagen, Seat, Skoda, Porsche. Each generation, tier, platform, car brand combination its using its own firmware version.

ℹ️ Depending on tier and functionality, car brands use different names for similar units. You can find VW Discover Pro, VW Discover Media, VW Composition Media, Skoda Bolero, Skoda Amundsen, Skoda Columbus, Seat Navi, Seat Navi Pro, Audi MMI...

ℹ️ MIB2 Technisat/Preh unit running firmware 02xx will allow you to install only other 02xx firmware version. It is possible to install higher versions (03xx and 04xx) but some system modifications are required. 0254 Is the latest version released for VW ZR units 02xx

📺 Fix B201A fault:    • Fix SVM code B201A - Checking softwar...  
🛒 Buy OBDeleven here (ref): http://mr-fix.info/redirect/obdeleven

0:00 MIB2 firmware update
0:10 Check current version and SW train
0:30 How to read SW train
1:18 Latest firmware available
2:18 Preparing the SD card update
2:51 Custom things might get overwritten
3:15 MIB2 firmware update procedure
5:00 Finishing the software update
5:33 Checking if it worked
6:21 Fault B201A in 5F module

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