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Sorry, there was a problem. Please try again later.Hello there! We understand your inquiry about using a Roku stick on your LG OLED48B4PUA. You can absolutely enjoy your favorite streaming channels by plugging any HDMI® streaming stick—like Roku—into one of the four HDMI 2.1 ports on the back of your TV. Troubleshooting Step: If you don’t see your Roku home screen after connecting, first ensure the stick is firmly seated in the HDMI port and that it’s powered (you can use the USB power port on your TV or the included AC adapter). Then, press Home on your Magic Remote, select Inputs, and choose the corresponding HDMI input. If the picture still doesn’t appear, navigate to Settings > All Settings > General > About This TV and check for the latest firmware—updating may resolve any HDMI handshake issues. https://www.bestbuy.com/site/lg-48-class-b4-series-oled-4k-uhd-smart-webos-tv-2024/6584787.p?skuId=6584787 For any further assistance—like optimizing picture settings for Roku playback or advanced HDMI‑CEC control—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 thank you for choosing LG! —Renzo
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