When updating manually, the firmware file must be at the top level of the SD card; the camera will not find it if it is inside a subfolder.
Ensure you download the specific firmware for your exact model. The DDPAI Z40 has two variants: the Standard Version and the GPS Version . Installing the wrong firmware will disable the GPS tracking features. Ddpai Z40 Firmware Download
Refines Advanced Driver Assistance Systems (ADAS) alerts and power management algorithm precision during parking. Preparation Checklist Before Updating When updating manually, the firmware file must be