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Why does my TV say unsupported when I use HDMI? - Quora
unsupported signal. Please check the device output
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Fix Unsupported Signal Check your Device Output Problem in sony bravia hdmi and amazon fire tv - YouTube
Sony 43" X85K BRAVIA LED 4K UHD HDR Google TV [2022] - JB Hi-Fi
What is an unsupported signal when connecting a Fire Stick to a Sony TV? - Quora