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Sony said to factor 4K into 'Sirius' phone

Sony has been rumored to be working on 4K video recording for month, but it appears now that it's finally making its way to its next handset.

Panasonic's 4K Ultra hD TV
Panasonic's 4K Ultra HD TV
Nick Hide/CNET

Sony's next flagship smartphone, believed to be codenamed "Sirius," will come with 4K video recording, according to a new report.

Xperia Blog, a site that follows Sony's mobile moves, published images purporting to come from the device's software. Among the features was a mention of 4K Ultra HD video recording, as well as a timeshifting feature, allowing users to automatically apply slow-motion effects.

Sony has been rumored to be working on Ultra HD recording for months. An earlier report suggested that a handset codenamed "Honami" would come with the high-end recording feature, but so far, Sony has remained tight-lipped on any such plans.

Sony has been clear that it wants to make a significant push into mobile in 2014. The company has very little market share in the lucrative mobile space and needs a smartphone that can deliver high-end features and get it some attention. Sony is hoping Sirius will do just that.

In addition to video features, the leaked Xperia Blog images show a "smart call handling" feature that allows users to automatically answer a call when it's brought to their ear and reject a call when they shake the handset. Putting the device face down turns the ringer off. One other interesting note: Sony plans to include a built-in answering machine in the smartphone, rather than rely solely on voicemail.