Make sure to download correct firmware for your dashcam. If you are using a 2nd Monitor, you must download '2nd Monitor' firmware. If you are only using a dashcam, please download 'Standard' firmware. 1. Click on the Download button for your model and type. 2. Unzip the downloaded file and load all files onto your SD card.(* If your dash cam has a single slot for microSD card, load the firmware files onto your microSD card) 3. With your vehicle ignition ON, insert the SD card back into your dash cam. 4. As the dash cam starts, firmware update will begin automatically. 5. When the update is complete, your dashcam will reboot and start recording.* Disconnecting the power supply to the dash cam during the update can severelydamage the device. Make sure you do not turn off the power until the update is completely finished.