; the camera will not initiate the update if the battery is low. Initiate Update Turn off the camera. Hold down the red video record button while turning the camera on. When the prompt appears on the LCD, select to start the ~90-second process. Lens Update
If you haven't updated a Leica T before, the process is different from Sony or Canon cameras. You cannot update via Wi-Fi; it must be done via SD card. leica t firmware 19 download high quality