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That is why the Xperia uses Z5 premium 4K only when Photos & Videos

The Sony Xperia Z 5 Premium is the world's first smartphone to a 4K display. But instead of endless euphoria had the Japanese put up a lot of criticism for their flagship, also because the device supports only 4K media content. Sony is now obliged to answer in detail all the important questions.

The Sony had certainly presented differently. Hardly presented the manufacturer its new flagship smartphone Xperia Z5 premium at IFA, it rained a little later already plenty of criticism. Not only does the meaning of a 4K displays were approached in a 5.5-inch smartphone anyway. A little later, was even clear that the Xperia supports Z5 premium 4K only with pictures and videos. The surface and apps are however reproduced only in Full HD. Sony now found himself compelled to answer the most important questions in his blog.

Streaming services and self-recorded videos in 4K
The most important question is when the Xperia Z5 premium at all is 4K content and when nicht.Laut Sony 4K resolution of 3840 x 2160 pixels is supported only in Ultra HD videos even recorded. Also streaming services offer movies and series in 4K can be displayed on the Xperia Z5 premium. All other content, including homescreen and apps, are only displayed in Full HD, or even less.

Integrated 4K upscaler for contents of Sony Media Apps
This is done according to Sony especially for reasons of optimum performance and a long battery life that would not be to ensure a system-wide 4K representation otherwise. Since there anyway not give many streaming provider with 4K resolution, which are simultaneously optimized for the smartphone, Sony has the Xperia Z5 Premium integrates a 4K upscaler. This ensures that all video and images are scaled up in the Media-Apps by Sony to the higher 4K resolution. The content of Apps and YouTube are just upscaled.

Long battery life for users has the highest priority
In addition, the question arose as to why homescreen, apps or surface is only available in Full HD. Sony justifies this step with extensive market research. This would indicate that the user despite 4K content will not tolerate any performance degradation. In addition, customers were ready in terms of long battery runtime to compromise. A decent battery life is the highest priority of the user. Most apps are not yet anyway equipped to 4K.

microSD expansion to 200 gigabytes accommodate 4K
With the support of the ultra-high resolution technology, the device is however already well prepared for the future. Screenshots are also not made in 4K, because the operating system Android Lollipop does not support such a high-resolution screenshots. The 3430 mAh strong battery of the Sony Xperia Z5 premium is despite 4K grant a sufficiently long duration - up to two days, Sony promises. Thanks to the expandability via microSD to additional 200GB of user also has sufficient capacity for 4K content.
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