Disable "Wireless CarPlay" or "Android Auto" temporarily on your phone. These systems often compete with the dash cam's Wi-Fi signal during the update process.
If you have connection issues or want to install a specific firmware version found on forums like DashCamTalk , you can update manually using the USB interface. DDPAI MINI5 User Manual
Once downloaded, the app will push the file to the camera.
Are you currently experiencing a (like "Format SD Card" loops)?