What (sluggish Wi-Fi, security compliance, drops) prompted this update?
The Huawei EchoLife HG8245W5 is a high-performance Optical Network Terminal (ONT) designed for fiber-to-the-home (FTTH) networks Huawei Hg8245w5 Firmware Update
After the router reboots, verify the update was successful: What (sluggish Wi-Fi
Ensure your router and computer will not lose power during the process. Do not update during a thunderstorm. Huawei Hg8245w5 Firmware Update