Another week, another iOS update: Apple's pushed out iOS 7.0.2, which it recommends for all users. The update fixes a few security vulnerabilities and a bug. (iOS 7.0.1 came out last week, but it specifically fixed issues with the iPhone 5c and 5s.)Among the security flaws in question is one reported on last week, where a little bit of manual dexterity lets you bypass the lock code on the homescreen. Version 7.0.2 also patches another bug, which allowed a user to make phone calls to any number from the Emergency call screen. In addition, the update brings back a Greek keyboard option for passcode entry.iOS 7.0.2 is a free download and is available by going to Settings > General > Software Update on your i
