Firefox OS

4K detail

HD & SD sources

File handling

Freeview Play app

HDR lacks sparkle

Tight viewing angle

Some light leakage

Too small for 4K

There's no doubt about it, 4K looks its best on a 60-inch TV.

No, that distinction goes to the inclusion of high dynamic range HDR .

That question has obviously been asked, and answered, by Panasonic's TV designers because they've fenced-off what they consider the unpopular ones.

Gravity upscaled from a regular Blu-ray disc looks sharp and clean with both True Cinema and Cinema presets engaged, while 720p fare from HD channels on Freeview HD are highly watchable.

The latter is extensive: a USB stick hosting all kinds of digital files, from 4K video files in the TS, MP4 and MKV formats to a load of AVI, WMV and other video files all played without a hiccup.

Indeed, with its sleek design carrying it through despite the HDR confusion.

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