Firmware for these boards is often distributed as multi-part RAR archives (e.g., part01.rar to part07.rar ).
If your Vivax TV is stuck on a logo or has a corrupted BIOS, you can often reflash it via USB: Use a drive formatted to FAT32.
suggests you are likely looking for firmware or BIOS recovery files for a using the HK.T.RT2841P638 mainboard . Technical Context: HK.T.RT2841P638 The HK.T.RT2841P638
is a common motherboard used in various Smart TVs, including those by Vivax, Grunkel, and Inves. It typically features: Support for Full HD (1920x1080). OS: Often runs Android 9.0 or similar smart systems.