iOS 6, got it’s first update when Apple released 6.0.1 update to general public and 6.1 to developers, in this update Apple fixes few bugs that were plaguing iOS devices that were upgraded to iOS 6.
iOS 6.0.1 fixed a few bugs where horizontal lines were displaying across the keyboard, as well as an issue that sometimes caused the camera flash to not go off, other fixes included a bug that prevented iPhone 5 users from installing software updates over-the-air via WiFi, and they also improved WiFi reliability of the iPhone 5 and the new 5th-generation iPod Touch when connected to encrypted WPA2 networks.
The iOS 6.1 beta is available for the iPhone 5, iPhone 4S, iPhone 4 and iPhone 3GS; fourth-, third- and second-generation iPads; and the fifth- and fourth-generation iPod touch.
Beta versions of iOS 6.1 compatible with the iPad mini and new fourth-generation iPad, which will become publicly available tomorrow, are not said to be offered on Apple’s developer website.