I noticed that the golyp flash only when a notification arrives and then they turn off. Only for one app (where I have set an external ringtone as sound) the led on the top right remains on until I noticed that the golyp flash only when a notification arrives and then they turn off. Only for one app (where I have set an external ringtone as sound) the led on the top right remains on until I unlock my phone. How can I enable this feature for all notifications?
