: Insert the card back into the powered-off dash cam.
for an over-the-air (OTA) update. Manual updates via SD card are also possible if the App method fails. Official Update Methods Update via DDPAI App (Recommended) Download and install the Google Play Store Apple App Store Ddpai Z40 Firmware Download
# Linux / macOS md5sum Z40_Upgrade.bin
: If the device is unresponsive, contact DDPAI Customer Service for a specific recovery firmware package. DDPAI Z40 User Manual : Insert the card back into the powered-off dash cam
If an update is found, follow the on-screen prompts to download it. The app will automatically transfer the firmware to the camera and begin the upgrade. Update Method 2: Manual Update (via SD Card) Ddpai Z40 Firmware Download
For most users, this is the preferred method for and installation.
