Apple released new iOS 6.1.4 update today for iPhone 5 only to support “audio profile for speakerphone”. It might be helpful in some way for hard of hearing customers to use it for phone call.
There is no word about additional bug fixes or enhancements comes with this software update. You can get one over the air (OTA) or via iTunes. If you found something interesting about this new software update, feel free to share it with us here.