The 3rd update, dubbed iOS 6 Beta 3, can now be applied to the existing iOS on iPhone, iPad and iTouch and full downloads are available from Apple’s developer portal.

MacRumours notes that this update doesn’t come with any change list and developers seeing the over the air update get the message that iOS 6 Beta 3 contains some “bug fixes and improvement”.

The latest build contains new options under the Settings application for Apple’s latest Maps software. The beta allows developers to customize certain aspects like the volume of turn-by-turn navigation, and whether to measure distances in miles or kilometers notes Apple Insider.

It is expected that Apple will roll out quite a few more updates before the iOS 6 is released for general usage. iPhone 5, which is rumoured to be launched on August 7, is going to be powered by iOS 6.