Apple Releases iOS 6.1.4 for the iPhone 5
Apple has released iOS 6.1.4 for the iPhone 5 which notes an “Updated audio profile for speakerphone.” The firmware version is 10B350 and no other details of the update are included.
You can find the update by going to Settings–>General–>Software Update. Do not update if your phone is jailbroken as you will lose your jailbreak.
Direct download links:
…more to follow