This is the only 100% safe method. If a critical update is available, your ISP can push it to your device remotely via their management server (ACS).
: Never disconnect power during the update; doing so can "brick" (permanently damage) the device. Connection huawei hg8145v5 firmware update hot
Enable "Auto-update" to allow the router to install new versions automatically when idle. Method 2: Web Management Interface How do I update the firmware version of my HUAWEI router This is the only 100% safe method