Understanding the different types of Sony TVs | Sony USA- sony tv model numbers explained ,1/7/2019· A High Definition (HD) TV with 1080p resolution is composed of two million pixels (1920 x 1080), while a 4K TV (aka Ultra High Definition) has over eight million pixels (3840 x 2160). Therefore, 4K has around four times more resolution than 1080p and produces a clearer picture.Serial Number Checker | Sony USASystem software updates are available for some BRAVIA televisions that meet certain model and serial number requirements. To see if a system software update is available for your television please follow the steps below. Select your model. Enter your seven digit serial number. Click the "Check Now" button.
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