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Sony Xperia Z Ultra is world's thinnest Full HD phone

Sony has officially launched the Xperia Z Ultra, the company's first big-screen 'phablet' and the world's thinnest Full HD smartphone.

The Xperia Z Ultra release date looks to be around September, while the Xperia Ultra Z price looks to have been revealed as around £600.

The Xperia Z Ultra has a 6.4in screen, which uses the same Triluminos technology seen in the company's 2013 TVs and the latest Bravia X-Reality Engine.

The Z Ultra is waterproof and dustproof and can be controlled with a pencil. Inside is he latest Qualcomm Snapdragon 800 2.2GHz quad-core processor and support for 4G LTE.

Claiming to be the thinnest full HD phone, the Xperia Z Ultra is just 6.5mm thin and weighs only 212g.

Sony says the Xperia Z Ultra is the thinnest they could make the phone with the existing 3.5mm headphone connection – though Huawei might disagree with its Ascend P6 smartphone, which is just 6.18mm thin but settles for a 720p screen.

Sony Xperia Z vs Xperia Z Ultra (below):

The new Sony phablet has a 3000mAh battery, 8MP camera and a waterproof IP58 rating, complete with a waterproof headphone jack. That waterproof design even means you can film full HD underwater. Not bad.

The Sony Xperia Z Ultra will include a "free content offering", which looks like a trial for the Sony Music Unlimited service.

The Xperia Z Ultra is available in a range of colours, black, white and purple, and there's the option of a magnetic charging cradle that charges via a magnetic port, no need to remove the protective flap on the phone.

HANDS ON: Sony Xperia Z Ultra review

by Ced Yuen

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Joe Cox
Content Director

Joe is Content Director for Specialist Tech at Future and was previously the Global Editor-in-Chief of What Hi-Fi?. He has worked on What Hi-Fi? across print and online for more than 15 years, writing news, reviews and features. He has covered product launch events across the world, from Apple to Technics, Sony and Samsung, reported from CES, the Bristol Show and Munich High End for many years, and provided comment for sites such as the BBC and the Guardian. In his spare time he enjoys playing records and cycling (not at the same time).