mp3 alarms are working fine here. I did notice in the night mode, the tens digit continued to show in early AM at least until I tapped the screen to turn off the alarm. ie 3:15AM showed as 13:15AM. I woke up a couple of times and saw this. Although I could have been dreaming/half asleep, but pretty sure. After turning off the alarm, the tens digit was faded out like the rest of the "unlit" areas.