You will need archive software such as WinRAR , 7-Zip , or a similar tool to extract the contents of sc23865-MDv1500.rar .
Disclaimer: Firmware updates carry risks. Always follow official documentation provided by the manufacturer of your equipment. sc23865-MDv1500.rar
Only use this file if it was provided directly by the manufacturer or authorized technical support. You will need archive software such as WinRAR