Earlier this evening, Apple pushed out the iPhone SDK 3.1 Beta 2 and the iPhone 3.1 Firmware Beta 2 (7C106c). This comes exactly two weeks since the original release of iPhone 3.1 Beta 1 on June 30, 2009.

This 2-week release schedule was common during Apple’s beta releases of iPhone 3.0 firmware. The beta build period for firmware 3.0 lasted a few months in which new beta builds were released every 2 weeks until the official release date on June 17, 2009.

The firmware 3.1 update is to deliver a slew of new enhancements, some of which are detailed below:

• Voice Control can be activated/used from a Bluetooth Headset
• iPhone vibrates when you move apps on the Home Screen
• Modem firmware updated to 5.08.01
• Cut, Copy, Paste functionality for the Dial Pad in the Phone App
• Video editing now has the option to trim your clip then “Save as copy…” rather then replacing the original clip.
• OpenGL and Quartz improvements
• APIs to allow third party apps to access videos and edit them

Many iPhone/iPod Touch owners anticipated a quick release for firmware 3.1, but with the release of 3.1 Beta 2, we may all be in for a longer wait than originally anticipated.

Also remember, if you have your iPhone/iPod Touch jailbroken or unlocked, you should not update to 3.1 when it is released, as you will lose both your jailbreak and unlock.