Metrel Knowledge Base Firmware update instructions Current: MI 2392 & MI 2492 Firmware update MI 2392 & MI 2492 Firmware update HW version 1.0, 2.0, 3.0, 4.0;PowerQ_v9.2.642 _ HW 1, 2, 3 & 4.zipHW version 5.0;PowerQ_v12.0.868 _ HW 5.0.zipVideo instructions; Your browser does not support the HTML5 video element ×