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POIs it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?
 

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  1. POIs it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?
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    <p>I just recently downloaded the Xcode 4.2 with iOS 5 SDK package and I immediately noticed that I am unable to use my iPhone 3Gs with iOS 4.2.1 for debugging. I am only able to debug and test on my iphone 4 with iOS 5 installed. </p> <p>For any of my devices running any iOS less than 5.0 Xcode just says "Finished running for iPhone3GS" and doesn't run it. I have my deployment target set to 3.0 because I am not using any features in my app above 3.0 and I want to be able to target all versions 3.0 or higher. I have all my provisioning profiles installed and up to date.</p> <p>I have quit and restarted xcode, I have cleaned the build multiple times. I have tried adding armv6 in the archtecture build settings, but nothing will allow me to build and run my app on my old phone with ios 4.2.1. </p> <p>My question is, is it possible to still make apps with the new SDK work for iOS versions lower than 5? How can I be sure that my app will still run on lower iOS versions if I am unable to install them on my old phone?</p> <p><strong>Edit:</strong> <em>OK it looks like iOS SDK 5 dropped support for armv6 by default. What you have to do is add armv6 in the Architectures field under Build Settings for both your Target and your Project. Then your app will be able to run on iPhone 3G devices. Answer can be found here <a href="https://stackoverflow.com/questions/7488657/how-to-build-for-armv6-and-armv7-architectures-with-ios-5">How to build for armv6 and armv7 architectures with iOS 5</a></em></p>
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    1. CONote that your edit has to do with architectures, which is a separate issue to `iOS` versions. Also, please add the edit as an answer so you can accept the solution you found and this question can be marked as answered.
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