@Salimismail: search Theme and test this in SYS.txt
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[android]
>>>>>>
;select audio stream
; 0 = STREAM VOICE_CALL, 1 = STREAM SYSTEM, 2 = STREAM RING, 3 = STREAM MUSIC, 4 = STREAM ALARM, 5 = STREAM NOTIFICATION
;default good working
navigation_audio_stream=4
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and for System-Config can read Grafic-Info [Only registered and activated users can see links. ] (german lang)