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Apple set to release latest iPhone and operating system

10 September 2013 Last updated at 10:18 BST

On Tuesday, Apple is likely to unveil new versions of the iPhone and a new operating system into the fast-moving technology sector.

It has been almost a year since a new phone has been released by the tech giant.

In that time its competitors in the smartphone market have released several new phones.

Samira Hussain reports.

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