Arlo camera firmware update usually happens once every three months while the larger ones happens once in a year The Firmware update of Arlo cameras usually happens automatically as long as it is connected to the base station and has a battery life of at least 20%. If a firmware update is released while your camera is turned off or the battery is low, the firmware update happens automatically within 24 hours after you turn the camera back on, ensure that it is connected to the base station and ensure that the battery is not low.