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iPhone OS 4.0 Beta 2: Download SDK Now

A few weeks ago Apple unveiled to the world its preview of the iPhone OS 4.0, which was made available to devs on the same day. Now the new beta 2 and SDK is ready for download and with it comes a range of fixes for issues that developers experienced with the beta 1.

Softpedia has learned from a user on the Modmyi forum who has already downloaded the new version of iPhone OS 4.0 and said that there is a cool transition with app switching, he also notes that things seem much smoother than the previous version.

Those thinking of upgrading from beta 1 to beta 2 have been warned; this is because iTunes 9.1 currently offers no support for folder syncing. Those wishing to upgrade will need to uninstall Apple Application and Mobile Device Support before installing to the latest version of this SDK.

There are still a few bugs in beta 2, is disarranged and is still a complete mess. But that is what these beta tests are for, to iron out all of these bugs.


  • Rockboy1

    Hey guys, I have a couple of slots left if you are willing to donate 7 bucks. Just send me an email.

    I will have your UDID registered asap. 🙂

  • Mark

    Can add you to my Dev account for $5 – send email to

    Read more about iPhone OS 4.0 Beta 2 and SDK Available by Coolest Gadget Reviews

  • Antonio

    I'm a developer of iphone apps and I have some free slots to activate the firmware 4.0 beta.
    If someone is interested to try it, can contact me at


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