Dolby Surround is like a dummy setting after February security update
started a topic
3 months ago
I got such problems for about 3 days ago
And all of i think is it's just an error so i delete Dolby Surround data and restart the phone with hope it'll working again. But you know what? It doesn't.
There's no difference betweens music mode and theatre mode, even if i disable Dolby setting.