: Use WinRAR or 7-Zip . Right-click only the first part ( part01.rar ) and select "Extract Here" . The software will automatically pull data from part02.rar and other parts to create the final firmware file (usually named CtvUpgrade.bin or similar).
Since you are looking for , you must also have "part01" (and any other subsequent parts like part03) in the same folder. A multi-part RAR archive cannot be opened if even one part is missing. Download CV338H A42 1366x768 SANYO USB part02 rar
You do not need special software to "join" them; standard extraction tools do this automatically. : Use WinRAR or 7-Zip
: Use the RAR for Android app. Open the app, navigate to your folder, select the first part, and tap the extract icon. navigate to your folder