Within two weeks of the release of its iOS 5 beta 3, Apple has released the 4th beta version of its next generation operating system iOS 5 to app developers. The new version is listed as Build 9A5274d. The biggest improvement in the latest version is the OTA update available for devices that are running iOS 5 beta 3.
The iOS 5 is expected to be released in September with the launch of iPhone 5.
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