: Download the correct protocol box upgrade software (typically an .iap or .can file) and copy it to the root directory of a USB flash drive.
Click "Update" or "Download" to install the latest protocol file directly . Method 2: Manual USB Update (IAP File) hiworld canbus update download
Select the CANbus update file and confirm. The unit may beep and will automatically reboot once the process is complete. Where to Find Official Downloads : Download the correct protocol box upgrade software
: If steering wheel controls work but car info (mileage/trip) is missing, try a different vehicle "Configuration" (e.g., "High version" vs "Low version") within the Hiworld menu. Pioneer CAN Box Upgrade（先锋） The unit may beep and will automatically reboot
By following the steps in this guide, you can navigate the process with confidence, ensuring your Android head unit and your vehicle work together seamlessly. If your system is currently working perfectly, it's often best to leave it as is. Drive safely, and enjoy the ride.
: Plug the USB into the head unit and ensure the device recognizes it.
: Format a USB flash drive to FAT32 and copy the upgrade file to the root directory.