Extract the first part using WinRAR or 7-Zip ; this will automatically merge all parts into a single folder containing the .bin or image file.
Offers direct links for TP.MS338.PC821 Software and instructions for extracting multi-part files. Download MS338 PC821 1920x1080 KODAMA EMMC part3 rar
Used in brands like Nikai, Kodama, and various generic 42–65 inch LED/LCD TVs. Installation Methods USB Recovery (Pendrive): Format a USB drive to FAT32 . Extract the first part using WinRAR or 7-Zip