Geek asks and answers

Upgrade to iOS 5

I am an iPhone developer. I want to upgrade my iphone to iOS 5. But I do not know if I can run applications for iOS 4? Do I need to install a new Xcode with a new SDK?

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You can install iOS 5 using the beta SDK, or you can go through iTunes Beta 10.5 .

I’m sure that iOS 4 applications will run on iOS 5 beta. You may encounter some crashes depending on which environments your application uses compared to wireframes. This is a great opportunity to test your apps against iOS 5 and fix any problems.

But keep in mind that this is still beta , and an earlier version.

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- sdk, iTunes 10.5 beta - iOS 5, iTunes ​​ .

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Yes. You need to get the latest SDK from the Apple Developer Portal with your username and password. You will also receive a beta version of iTunes, but this should not be of much value if you use the simulator for testing; but if you have access to the developer, use the device instead.

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