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I've installed XCode4 and I need to build for iOS 4.2.1 is there a possibility to install the "old" firmware 4.2.1 and build against it?

djot
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Chris
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    Please take a look at [How to target 4.2 version with XCode 4](http://stackoverflow.com/questions/5253695/how-to-target-4-2-version-with-xcode-4) – Kazuki Sakamoto Apr 06 '11 at 07:54

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As far as I understand it you can only use a 4.3 Base SDK but can target also older OSes like 4.2.1 or whatever. So no need to install old firmwares.

Actually it wouldn't make sense any other way. I have a older iPod Touch which can only be upgraded to 4.2.1, so it has to be programmed targeted for 4.2.1 using the same toolset.

Tomasz Stanczak
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  • After some googleing I found that the so called "Development Target" is the corresponding setting. thx. – Chris Apr 06 '11 at 08:09
  • In Xcode 4.0.1, the setting is called "Deployment Target", and it is available in the info tab of the PROJECT settings panel and the summary tab of the TARGETS panel. – John M. P. Knox May 01 '11 at 16:48