Apple released the first beta of iOS 9.3 for testing. Build is available for download on the website of the developers Dev Center section.
iOS 9.3 beta 1 was released a week later after the release of iOS updates in 9.2.1 beta 2, aimed at the correction of errors. The new version introduces the ability to connect to one iPhone a few the Apple Watch. The latter should be running the new firmware 2.2 watchOS.
The first build of iOS 9.3 passes at number 13E5181d. According to the description automatic update, device where you will install this firmware, you cannot roll back to the previous version.
Download iOS 9.3 beta 1 can developers registered in the Apple Developer Program. The minimum requirements for the iOS SDK 9.3 – a computer with an operating system below OS X 10.9.3 (Mavericks) and Xcode new 7.3 beta 1.
The timing of the release of the final version of iOS 9.3 information yet. The previous iOS release 9.1 was tested for six weeks.