This morning I discovered what is possibly the world’s most annoying iPhone bug. For some time now I’ve been trying to determine why every now and then I seem to sleep right through my alarm. The iPhone alarm can be set to be tragically loud and uncomfortably annoying, so the fact that I have frequently not heard it at all was a mystery. Until now.
Here is the bug:
If you receive an SMS message and do not acknowledge it — because you’re fast asleep, for example — the iPhone alarm will not execute until you clear the SMS notification.