If "JC190" refers to a specific device (like the ), the download process often involves a specialized updater tool:
located at the top right of the file list. Select "Download ZIP" from the dropdown menu. Download JC190 KKITA zip
If the file is a specific stable version, click on "Releases" on the right side of the page, find the version you need, and click "Source code (zip)" under the Assets section. Option 2: Firmware Update via Tool If "JC190" refers to a specific device (like