1. If the original mobile phone is equipped with Kailide navigation software, it must be uninstalled first, and the "NaviOne" folder should be deleted from the storage of the mobile phone or the root directory of the SD card, otherwise the newly installed Kailide will not start normally;

2. Decompress the newly downloaded Kay LiDE on the computer to get a "NaviOne" folder;

3. 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: Use USB cable or card reader instead of mobile phone management software for transmission, otherwise an error will occur. )

4. Use the "File Management" or "ES File Browser" tool of the mobile phone to open the "NaviOne" folder in the directory of the SD card of the mobile phone, and find the installation file of Khalid (suffix "). APK "), click Install, and it will be OK. (Note: "NaviOne" folder cannot be renamed)