Wait at least 15 minutes. If it doesn't recover, the unit might require a factory recovery. Final Steps: Post-Update
Once completed, scroll to the bottom of the summary screen and select [1]. Troubleshooting Common Errors Error 03623 (Invalid Securing Keys) audi mmi 3g plus firmware update download
If you are updating your Navigation maps, you need an . Wait at least 15 minutes
Updating your Audi MMI 3G Plus (3GP) firmware can improve system stability, enhance menu responsiveness, and is often a prerequisite for the latest navigation map updates Audi Queens 1. Identify Your Current MMI Version enhance menu responsiveness