I did not encounter this on the C2 yet but on Xperia 10iii it happened randomly. I believe it could be related to pulseaudio crashing and there is no sound at all which affects alarm sound as well.
I did not encounter this on the C2 yet but on Xperia 10iii it happened randomly. I believe it could be related to pulseaudio crashing and there is no sound at all which affects alarm sound as well.