Since this is a multi-part archive, you only need to interact with the first file:
: Keep all parts in the same folder and ensure they follow a consistent naming convention (e.g., MT5510I_PB801.part01.rar , MT5510I_PB801.part02.rar , etc.). Download MT5510I PB801 1920X1080 JVC REF30 part06 rar
: Right-click on part01.rar (the first in the sequence) and select "Extract Here" or "Extract to [Folder Name]" . Since this is a multi-part archive, you only
: The software will automatically pull data from part 06 and all other segments to recreate the original firmware file (usually a .bin or .pkg file). Since this is a multi-part archive