Originally Posted by mr-fix

I decided to update my old 0045 firmware with much newer 0150 that I've found on mibsolution.one
And as usual, I had my camera with me to make a tutorial for other Audi owners.


0. Warnings and info

• Do at your own risk!
• It was reported that downgrading firmware caused instrument cluster EEPROM damage.
• You will need and SD card. Don't use USB drive. Don't use microSD + adapter, only good old full size SD card.
• If you have keyless system (KESSY), best if you tape the keyfob to the steering column. Update will not start if the key is not there.
• Car battery needs to be in good condition or an external power supply needs to be connected as a safety measure.
• Fault code B201A will appear in module 0x5F (MMI main unit), but it's easy to fix it if you have OBDeleven, VCDS...
• Missing communication faults will be present in other modules. This can be cleared with OBDeleven, VCDS...
• Read all before starting. If something is unclear, don't update until you know what you are doing.

1. Ignition on, press trip reset buttons [0.0] five times, and keep it pressed on the fifth.
This will open hidden screen on the instrument cluster where you can check which firmware you are currently running. It will be in the SW: line. In my case it was 0045.
You can also check this with OBDeleven or VCDS. Up to you.

2. Find and download desired firmware update for your VC on mibsolution.one (user and password: guest).
In my case AU_C1_AU37X_0150_0742_prod; P/N: 8W6906961R designed for KI_FPK_AU37X device.

3. Prepare SD card. I've used 16GB SD, formatted with FAT32 file system, 4096b allocation size. Copy over the unzipped update files to the SD card.
You need to place the update files in the top directory of the SD card. In such way that the update folder and the metainfo2.txt file are in root directory of the card.

4. Prepare the vehicle:

• tape the key next to the ignition coil,
• ignition ON,
• engine OFF,
• lights OFF,
• fans, heating, USB chargers, other electrical consumers OFF,
• SD cards and USB drives removed from media ports.

5. Insert SD card with VC firmware update to SD1 port.

6. Enter hidden red menu, go to Update, select SD1 as the update source, start the update.
It will takie about 5-10 minutes. VC will go dark and indicators/warning lights will flash during the update. MMI System will reboot several times. Screen will go dark several times. That's normal. Do not interrupt the update.

7. Around 5-10 minutes later you will see update summary. Confirm it. On the next screen hit "Cancel". MMI unit will reboot one more time.

8. In module 5F you will see fault code B201A. Use https://mib-helper.com/im-so-xory/ to fix this. But if you leave it, it will not cause any harm. It will not limit the functionality in any way.
In several other modules you will see "Databus missing message" and "Lost communication" faults. This is normal since MMI and VC were unavailable for several minutes. You can clear those faults from all the modules.

9. Remove the SD card from MMI.

10. Enter hidden menu in VC to confirm that the instrument cluster is running newer firmware.

11. Enjoy!

Changes that I found:

• current tab memory works after ignition is switched off
• phone tab redesigned
• maintenance service message fix
• minor bug fixes and stability improvements

Bugs from FW 0150:

• Audi eTron range display icon is misplaced

Originally Posted by mr-fix

I've used 0150, not 0162.
Do you have maps working on VC?

Originally Posted by mr-fix

I've used 0150, not 0162.
Do you have maps working on VC?

Originally Posted by AurelH76

any idea?

Originally Posted by A4BE

so you cannot see the update file on your mmi? What did you format the card to?

Originally Posted by AurelH76

i can see all update files but not the file needed for update VC.

i format my card in FAT32 and I tried differents cards then I bought a new one and the problem still the same…