Make sure SD card is formatted 1,copy the (FWN889.bin) software to card. 2,insert the card into camera 3,Press power button power and release it. Make sure the dash cam has a full charge. 4,the camera will start to update automaticaly. 5,During updating,there is no any indicator or words.When it finishes,the light will be blue,and the camera will be on. It will need 15-20 seconds to update. Once completed you must format the card agine other wise it will update the unit once the unit swithes ON.