20 19 modern ix35 navigation installation method: 1. Decompress the downloaded Kailide on the computer to get a "NaviOne" folder, and then copy the separately downloaded Kailide installation file. APK "into the" NaviOne "folder; 2. Connect the mobile phone and computer with USB cable, and copy the whole "NaviOne" folder to the root directory of the SD card of the mobile phone; (Note: USB cable should be used instead of 9 1 assistant, pea pods and other software, otherwise an error will occur); 3. Use the "File Management" tool of the mobile phone to open the "NaviOne" folder in the directory of the mobile phone's SD card, and find the Kailide installation file (suffix "). APK "), click Install, and it will be OK.