Step 2: Confirm that the update was successful
The update will take approximately 5 minutes to complete. You may not be using the correct update files. If the version displayed is not 1.23, download the latest update file.The USB storage device may not contain the correct update files. If the message "Please visit the support site and connect the USB device (with Update firmware) to USB port" is displayed on the unit, check the files in the USB storage device.The update files may be missing or not be saved to the correct location of the USB storage device. If you cannot press "Update" (the "Update" button is grayed out), check the file structure of the USB storage device.If you cannot find the "Settings" icon, swipe from the bottom of the Home screen, then from right to left. Connect the USB storage device to the USB port of the main unit.Set the date and time after the update process is complete.Do not disconnect the USB storage device during the update process.Do not turn off the unit during the update process.Park your car in a safe place and start the engine to prevent the battery voltage from becoming too low during the update process.Disconnect the USB storage device from your computer.Copy all 3 files to the root directory of the USB storage device that is connected to your computer.Download the update file to your computer.Ensure that your computer is connected to the Internet.USB memory with over 32 GB capacity is not supported.USB memory with exFAT format is not supported.Connect a USB storage device to your computer with at least 10 MB of available space and use a device with maximum 32 GB of USB memory (FAT16/FAT32).