robdx2 I’m experiencing the same issue – in the DUDUOS (3.6E) system, I noticed a change in how the text-to-speech (TTS) engine interacts with the FM radio. Previously, when navigation apps (such as Sygic or Google Maps using Google TTS) provided voice instructions, the FM radio volume would temporarily decrease and then automatically return to its original level once the instructions ended.
After the latest update, TTS now completely mutes the FM radio – and what’s worse, the volume no longer returns automatically. The radio remains silent until I manually reselect the station. It seems that the system not only fails to lower the radio volume, but also fully suspends the FM app – there’s no sound whatsoever.
