iOS 7 and Its Glitches.

The new version of Apple's mobile operating system, iOS 7, was released September 18 to mostly positive reviews. It was the biggest change to iOS since it was introduced six years ago, overhauled to add a slate of new features and a more streamlined, flat, abstract look. But nobody's perfect, right? It's not unusual for new operating systems to have some glitches in their earliest days. Nobody's talking about anything cataclysmic this time, like the Apple Maps fiasco on iOS 6 that led CEO Tim Cook to issue a rare apology -- and which some say led to the ouster of Apple senior vice president Scott Forstall. But a couple of weeks into its existence, iOS 7 has prompted a handful of complaints from users. Here are some of the most frequently heard, along with tips for how to fix, or at least bypass, them. iMessage failing Apple says it's aware of an issue that's causing texts sent through its iMessage app not to go through for some users. On various Apple-oriented message boards, iOS 7 users were complaining that they'd send a message which appeared to work fine, only to later see the dreaded red exclamation point that means it wasn't actually sent. "We are aware of an issue that affects a fraction of a percent of our iMessage users, and we will have a fix available in an upcoming software update," Apple said in a statement e-mailed to media outlets. "In the meantime, we encourage any users having problems to reference our troubleshooting documents or contact AppleCare to help resolve their issue. We apologize for any inconvenience this causes impacted users." The fix? Until the update rolls out, some users say they've been able to get rid of the problem by turning their phone off and back on...