What is the (Black screen, stuck on boot, etc.)? Do you have a USB programmer (like a CH341A) ready to use?
To use a .rar file of this nature, you generally need specialized tools. You cannot simply "run" this file on your computer. Download DIGICLASS HDMI W25Q128FV rar
Firmware sites are often filled with ads; ensure your antivirus is active when downloading .rar files from forums. If you'd like to move forward, let me know: What model number is printed on the sticker of your device? What is the (Black screen, stuck on boot, etc