If you need help finding a specific version, please let me know your (like STK-L21) and your current build number so I can guide you to the correct firmware package. Share public link
Copy the entire dload folder to the root directory of your SD card or USB drive. The path should be exactly: firmware huawei y9 prime 2019
Download and install the official Handset Product Drivers or Huawei HiSuite on your Windows PC so your computer recognizes the phone in fastboot/recovery modes. Step-by-Step Firmware Installation Methods If you need help finding a specific version,