If you have installed on your smartphone, the new Android Lollipop firmware update, then it may happen that despite alarm is activated, this does not ring. If one is not awakened by his alarm clock, which is obviously annoying. That is why we tell you here in our article, what is the cause for this alarm clock failure.
The alarm clock on your Android Lollipop smartphone does not ring because the interruption mode is enabled. You can see this feature if a star icon in the status bar is visible. If the interrupt mode is set to "None", then you wont hear any notifications. Unfortunately, also no alarm clock!
That's why we recommend you urgently to set the mode at least to "Priority" or to "All". This ensures that you will be woken up in the morning by your Android lollipop smartphone . To change the interrupt mode from "No" to one of the alternatives, press the volume button and then click the appropriate profile:
Finished! From now on your Android Lollipop smartphone should awake you in the morning as usual at the desired time.