Apple has released an iOS 6.1.4 software update that includes a minor change and is restricted to the iPhone 5 only. With this new update, Apple has updated audio profile for speakerphone, though has not mentioned anything about bug fixes and security updates which are usually seen as an important part of its software updates.
The update was first noticed by the 9to5mac.Though there is no mention of the bug fixes and security improvements in the official update, Apple might have done that in the background without mentioning it to the users. The company has rolled out the new software over the air (OTA), and can also be downloaded through iTunes.
iGeekz : your simple tech central