If no checksum is provided, do not proceed. An incomplete or tampered file will cause a “Firmware Update Failed” error.
To keep your running smoothly and to access the latest features (like improved parking mode or loop recording stability), staying updated with the latest firmware is essential. How to Download & Update DDPAI Z40 Firmware Ddpai Z40 Firmware Download
: Once the update is complete and the camera records normally, it is best practice to format the SD card again to remove the installation file. If no checksum is provided, do not proceed