Because this is "part03," you cannot use it alone. You must find and download all other parts of the set. If any part is missing, the firmware extraction will fail with a "corrupt archive" or "unexpected end of archive" error.

Before attempting an installation, physically verify the model number on your TV’s green motherboard. Installing firmware for a different board version (e.g., PB801 instead of PB803) can "brick" the TV, rendering it unusable.

Firmware for this board is usually applied in one of two ways:

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TP.MT5510S.PB803 , a common smart TV motherboard found in budget Android-based LED TVs. Resolution: 1920x1080 (Full HD).