: Connect your computer to the router via an Ethernet cable. Enter the default IP address 192.168.100.1 (or 192.168.1.1 depending on your provider) into a web browser.
That's a great technical topic, as the (often part of the EchoLife series) is a popular ONT/ONU (Optical Network Terminal) for GPON/XGS-PON networks. Firmware updates for these devices are notably different from standard routers because the ISP (Internet Service Provider) usually controls them. Huawei Hg8245w5 Firmware Update
A firmware file that works for a generic Huawei HG8245W5 may not work on an ISP-locked HG8245W5, and vice versa. Flashing a "generic" firmware onto an ISP-locked unit is a common cause of permanent bricking. : Connect your computer to the router via an Ethernet cable