: Installing the wrong firmware can "brick" your TV, making it permanently unusable. Always verify that your TV's Mainboard Model Number (printed on the green circuit board inside) matches "HV553" exactly before attempting an installation.
: Because the file name ends in "part10.rar," it indicates that the total firmware is very large and has been split into at least ten smaller parts. You must download all parts (part1, part2, etc.) into the same folder before you can successfully extract the full firmware file. Purpose of Downloading Download HV553 3840x2160 TECHNOSAT 55JP55UAS part10 rar
: Specifically designed for 4K Ultra HD (3840x2160) display panels. : Installing the wrong firmware can "brick" your