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iPhone Alarm Clock Bug Still Making People Late for Work
Jan 3, 2011 Aug 20, 2013

It began on the first of the year, or didn't, depending on how you look at it. Many iPhone owners  found their alarms never went off and they ended up late to work or some other event. The problem continued into the second day of the year, with people around the world accidentally sleeping in. Official word from Apple is that the problem will magically fix itself beginning on Jan 3rd.

Still, many are upset that a device touted for it's quality and ease-of-use can't get something as simple as an alarm right. Back in 2010, iPhone's failed to recognize daylight savings time, resulting in a similar problem for users. The problem seems to be limited to non-repeating alarms, so use recurring alarms to be on the safe side until the bug is officially squashed.

more at  Computerworld