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Hi there, Larry. We understand your inquiry about the LG OLED48B4PUA. Unlike the C2’s 800 nit peak, the B4 series reaches around 650–675 nits of peak HDR brightness (measured in a 10 % window), which provides excellent contrast and vibrant colors but isn’t quite as bright as the C2. As a quick troubleshooting tip, to maximize the HDR output on your OLED48B4PUA, please: Go to Settings > Picture > Picture Mode Settings and select Cinema Home or Game HDR depending on your content. Under Additional Settings, ensure HDR Brightness is set to High. Finally, verify you’re running the latest firmware by navigating to Settings > All Settings > Support > Software Update and choosing Check for Updates. https://www.bestbuy.com/site/lg-48-class-b4-series-oled-4k-uhd-smart-webos-tv-2024/6584787.p?skuId=6584787 If you’d like further assistance—such as fine‑tuning your picture modes, advanced calibration tips, or exploring additional settings—please send us a private message on social media @LGUSSupport and our team will be more than happy to explore possible solutions. We appreciate your patience and look forward to helping you get the most out of your new OLED TV! —Renzo
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