Installing iOS 4.2 simulator in Xcode 4.3

By upgrading to Xcode 4.3, you may find that installing iOS Simulator 4.2 from Xcode itself is not available. However, if your project has a need for this simulator, then a simple installation guide is below.

1. First you need to download the Xcode 3.2 image (iOS SDK 4.3) ;
2. Connect this image;
3. In this image there is a hidden folder in which you can go through the Finder menu " Go to Folder ... ". Enter this path: / Volumes / Xcode and iOS SDK / Packages /
4. In the list of files, find " iPhoneSimulatorSDK4_2.pkg " and double-click on it;
5. Install this package in any temporary directory. Later it can be removed.
6. After installation, go to this directory and go to the following path: /Platforms/iPhoneSimulator.platform/Developer/SDKs and find iPhoneSimulator4.2.sdk
7. Now find where you have installed Xcode 4.3 and, by right-clicking on its icon, select the Show Package Contents menu;
8. Go to the /Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs directory
9. In this folder you will see simulators that are already installed in Xcode. Just transfer our iPhoneSimulator4.2.sdk here;
10. Restart Xcode;
11. If your project supports iOS 4.2, then the corresponding simulator will be available.