Just got this email from Apple enlightening me about the new iPhone OS 3.1 Beta 2 firmware and SDK bits which are now available for download through the iPhone Dev Center:

iPhone SDK 3.1 beta 2 and iPhone OS 3.1 beta 2 are now available on the iPhone Dev Center. These versions are for development and testing only and should be installed on devices dedicated to iPhone OS 3.1 beta software development. Please read the iPhone OS beta Pre-Install Advisory and the iPhone SDK 3.1 beta 2 release notes before downloading and installing.

Not much has changed since the last Beta which was released on 1st July 2009. Some minor changes in iPhone 3.1 includes:

    1. According to Ars Technica developers can now work with an iPhone wirelessly (WIFI) instead of having to connect it to their development computer via USB.
    2. TUAW is reporting that the tether hack no longer works.
    3. According to WhenwillApple, Non-destructive video button names changed to Trim Original and Save as New Clip, this should help clear up the confusion caused by the original names Save and Save a Copy.

Those of you who have jailbroken and unlocked their iPhone with OS 3.0 should avoid to upgrade to 3.1 unless new tools are made available by Dev-Team (this warning does not apply to iPhone 2G). This version is meant for development and testing purposes only and should be installed on devices dedicated to iPhone OS 3.1 software development.

I am currently in the process of updating my device to iPhone OS 3.1 Beta 2. Will keep you guys updated on the changes list (if I find any) above.

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