Here we go with another Beta release of iPhone OS 4.0. This time, the Cupertinos have rolled out the third Beta of iPhone OS 4.0. What’s changed and what’s new is yet to be found out. But one thing is for sure, something new is lying under the hood based on our previous experiences, such as the introduction of a speedier app switching animation in iPhone OS 4.0 Beta 2.

Those wishing to get their hands on the latest Beta release can do so by downloading the firmware as well as the SDK from the iPhone Developer Center.The build number for the 4.0 SDK is 10M2247 and the build number for the 4.0 firmware is 8A260b. If you are looking to jailbreak iPhone 4.0, then you can do so by downloading redsn0w 0.9.5. See the guide here.

For those interested in getting their iPhone 3.0 gadgets look like iPhone 4.0, can do so by reading this post.

Update 1: iPhone OS 4.0 Beta 3 has brought with it an all new iPod widgets and orientation lock. Details here

Update 2: Support for direct file sharing between iDevice and computer has been unveiled. Details here.

[via iClarified]