问题
If I update to the iPhone SDK 3.2 beta, will I then be able to rollback to iPhone SDK 3.1.2 (xcode 3.2.1) ?
回答1:
You can install new SDKs in non-/Developer paths. This is what you should do with any new, NDA-PROTECTED SDKs. Perhaps /Developer-Beta.
来源:https://stackoverflow.com/questions/2151159/how-to-rollback-from-ipad-beta-sdk-to-iphone-sdk-3-1