How to deploy on iPhone OS 3.1.3 without downloading the 2GB SDK

Like most of you, I too downloaded the 3.2 beta and was playing around with some iPad stuff. Today when iPhone OS 3.1.3 is released, without second thought, I immediately updated my iPhone. My iPhone being a development device, I understood that I can no longer use the current XCode installation to run apps on device. When I launched XCode, the Organizer reported,

“The version of iPhone OS on “ABC’s iPhone” does not match any of the versions of iPhone OS supported for development with this installation of the iPhone SDK”

So does that mean, you should re-install the SDK? Just like me, you will probably have confusions like,

Will installing it corrupt or overwrite your 3.2 beta?

Should I re-install 3.2 beta again?

I too had these. Fortunately, I decided to hack things myself and got the 3.1.3 working without downloading the entire SDK. This is how I did. Type the following command into your terminal.


ln -s /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.2\ \(7D11\) /Developer/Platforms/iPhoneOS.platform/DeviceSupport/3.1.3


Now quit and restart XCode. Voila! you have effectively “fooled” XCode! and you have saved countless hours which you can effectively use on programming another cool app!

Note that this hack will work *any* minor OS updates. However, if you are using a feature specific to the new version you will probably find yourself in trouble. In other words, don’t try to apply the same technique when 3.2 or 4.0 launches.

–
Mugunth

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