: Insert the USB into the TV's port while it is off, then power it on to trigger the automatic update process.
To download the firmware for the (1920x1080 resolution), you generally need to download all related parts of the split RAR archive to extract the complete software file. This firmware is used to update or repair the universal Android smart TV motherboard commonly found in Wansa and other LED TV brands. Where to Find the Files Download MS338 PC821 1920x1080 Wansa India part4 rar
: Right-click on part1 and select "Extract Here" using a tool like WinRAR or 7-Zip. This will automatically combine all parts into one firmware file. : Insert the USB into the TV's port