Avoid EXE files from unknown Google Drive links. Legitimate Huawei E586 firmware comes as a .7z or .zip containing an UPDATE.APP file (typically 35–45 MB).
You can update the device using its built-in web management tool or the mobile companion app: Connect your computer or phone to the E586 Wi-Fi network. huawei e586 firmware update best
: If the device becomes unresponsive after an update attempt, you can perform a factory reset by pressing the reset button located under the back cover. How do I update the firmware version of my HUAWEI router Avoid EXE files from unknown Google Drive links