Never turn off the router or unplug the cable while the upgrade is in progress, as this can "brick" the device.
: Improves data handling and Wi-Fi range. Huawei Router Hg8145v5 Firmware Update
The is a maintenance task, not a hobby. Unlike a smartphone, where daily updates are fine, an ONT failure takes down your entire home fiber connection. Unless you have a specific bug (e.g., Wi-Fi drops every 2 hours) or a critical security advisory, the safest firmware is the latest version approved by your ISP . Never turn off the router or unplug the