Beta firmware opens up support for Dolby Vision content in 4K at 120Hz for the first time.

LG’s OLED panels are amongst the most fully featured around, and the LG CX is the best TV you can buy. But even the company’s 2021 range has its limitations: while capable of displaying 4K content at 120Hz via its four HDMI 2.1 ports, the TV drops to 60Hz if Dolby Vision is enabled. 
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