OS VERSION: 126.96.36.199 (and older; not sure if it happens before 4.5)
HARDWARE: Xperia 10 III
UI LANGUAGE: Slovenian
It appears that (Android?) applications that show many notifications sometimes trigger the (clock) alarm sound to start playing.
Unknown, possibly having some other notifications already active
- Run an application that shows a lot of notifications (NetMonster seems to very reliably trigger the problem for me)
Just some notificatioss
Alarm sound starts playing, the only way to stop it is to dismiss all notifications