If you own an H122-373, you can manage your firmware through these primary channels:
Huawei maintains the H122-373 for at least 5 years post-launch (2020). Expected future updates: huawei h122-373 firmware
– With the router powered on and connected via Ethernet, go to 192.168.18.1 . Log in as admin. If you own an H122-373, you can manage