Xcode/Simulator: How to run older iOS version?

Question

I\'m thinking of upgrading to iOS SDK 4.2. But what I\'m wondering is if I\'ll still be able to run the simulator as iOS 3.2. This is because I\'m creating iAds for iPad but

Answer 1

The simulator CANNOT be downloaded from:

Xcode -> Preferences -> Downloads

Only the iOS devices symbols. As this option says:

This package includes information and symbols that Xcode needs for debugging your app on iOS devices running versions of iOS prior to iOS 4.2. If you intend to debug your app on a device running one of these versions of iOS you should install this package.

That is, you need an iOS 4.2 device to test an iOS 4.2 application