Apple rolls out iOS 9.3: Latest software update adds Night Shift mode to help you sleep and fingerprint security for Notes Read more: http://www.dailymail.co.uk/sciencetech/article-3504246/Apple-rolls-iOS-9-3-Latest-software-update-adds-Night-Shift-mode-help-sleep-fingerprint-security.

Night Shift changes colour temperature of display when it's dark outside

Notes now have option of security through password or fingerprint 

iPads now support multi-user modes so they can be shared by students

Users can also extract full resolution photo from an unwanted Live Photo

Night Shift changes the colour temperature of the phone's display when it's dark outside. The later and darker it gets, the warmer the temperature. 

It uses the device's clock and location to determine when it's sunset, then it automatically shifts the colours in the display to the warmer end of the spectrum, reducing the amount of blue light.  

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Night Shift changes the colour temperature of the phone's display when it's dark outside. The later and darker it gets, the warmer the temperature. It uses the device's clock and location to determine when it's sunset, then it automatically shifts the colors in the display to the warmer end of the spectrum

The aim of this is to help users sleep. In the morning it returns the display to its regular settings.

Night Shift can be scheduled automatically, including across time zones, and filter hews and intensity levels can be customised.

Its icon has also been added to the Control Center, which can be accessed by swiping up from the bottom of the screen.

Another change is that Notes now has the option of adding a password or fingerprint to access to individual notes, to let users keep their private information more secure.

Notes can now also be sorted by date created, date modified or alphabetically.

An update to News means the articles in 'For You' are now better tailored to particular interests. 

There are also new features for the iPad to help teachers use them with their students.

'iOS 9.3 includes a preview of new features that will make it even easier for schools to put devices where they'll have the greatest impact, in the hands of students,' according to the Apple website. 

iPads now support multi-user modes which automatically sync data so no one device has to be assigned to any particular student.

Users can also now extract the full resolution photo from an unwanted Live Photo, which could save space on some devices. Until now, in order to save just the still image from the photo, users had to disable the Live photo portion. With iOS 9.3, they can have both

Until now, in order to save just the still image from the photo, users had to disable the live photo portion. 

This meant they had to pick either a Live photo or a still. With iOS 9.3, they can have both.

iOS 9.3 also expands Quick Actions, pressured touches on apps, to a lot more stock apps including Weather, Compass, App Store, iTunes Store and Health as well as Settings, which now has WiFi and Bluetooth shortcuts.