iPhone OS 3.0 SDK & Xcode 3.1.3

May 23, 2009 § Leave a comment

It is a very nervous process to install iPhone OS 3.0 especially there are almost no information about this. What to do if things go wrong? How to reverse it?

I am lucky to install iPhone OS 3.0 successfully. Apparently there is no obvious changes as far as Xcode.

If you are on OS 2.2.1, your Xcode version is 3.1.2. If you install OS 3.0, your Xcode version is 3.1.3.

It is very important to read the “About iPhone SDK” 6 page PDF.

The most important upgrade is the iPhone simulator is more accurate and closer to the device.

With Xcode 3.1.3 you can compile project in earlier versions and even the OS 3.0. You have the options to run project on different versions.

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