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Upscaling from UHD resolution to 4K resolution


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Hi LG

When playing a video file that is 3840 x 2160 (UHD) in OLED55CX (4K), there is a small black bar at the top and bottom. Is the TV supposed to upscale automatically to its 4k resolution which is 4096 x 2160? How do I upscale it without picture being cut of?

Regards,

Anish

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