No german voice guidance (Android / AA)

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/no-german-voice-guidance-android-aa/
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Description:  When "german" is selected under "User interface", no voice can be heard. Radio/Media is muted, but nothing is said.
English: fine, waze, google maps? Fine. So its not a device Problem. Also no Problems with ios, but it's not an alternative (SoC and chargings stations display)