iPhone:What is the version of Xcode to use for developing apps for iOS 4.2.1?
<p>I am having the updated iOS 4.2.1 iPhone. I want to develop apps for that. I have Xcode 3.2.5 version now, but it shows upto only 4.2 device to select, doesn't show 4.2.1. What version of Xcode i should use for developing apps for this device? Please advise.</p>

<p>Thank you.</p>
