Apple has released beta versions of its much awaited 9.3 update. An official preview of this update is already available online.

It is said that the new update is available for developers at Apple's Developer Centre, IMore reported. Those who are not developers can enroll in Apple's public Beta software program for access to 9.3 update.

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Official preview promises that 9.3 update shall sport an improved Car Play, make iPad school friendly, to feature a night shift to attune to one's biological needs, boost privacy and security, bring more health apps and be more customized to one's tastes.

New update shall bring a Touch id and password to its Notes app. This feature shall allow it to compete with the popularly used Sony's Ever note, Trusted Reviews reported. Furthermore, new update shall also make the news app more personalized with customized picks from Apple's Editors.

From a review of 9.3 beta version, according to Gotta Be Mobile, some features of iOS 9.3 update may be available only for selected models. For instance, Night Shift is not likely to work on older iOS devices that run on 32-bit processors. Since 9.3 is a major upgrade, more than one beta versions for iOS 9.3 shall be released before it is officially rolled out.

The iOS 9.3 update shall most likely follow pattern of earlier updates, and bring a host of security features and bug fixes. IMore mentions that the new update shall be more region-specific and will add support for new languages like Malay for Malaysia, Finnish for Finland and Hebrew for Israel.

Meanwhile, Apple is also likely to release the official iOS 9.3 update in late February or early March, according to the same publication, while a report from Gotta Be Mobile speculates that 9.3 update is likely to be officially rolled out specifically in March.

On other iPhone news, it is said that Apple shall release a new iPhone that will run iOS 9.3 out of the box - the iPhone 5SE.