While the Huawei HG255s is a legacy device, keeping its firmware updated is critical for security, stability, and broadband sync speeds. By 2021, official updates are scarce, but here is the complete process to check for, install, or replace the firmware.
To update the software on your Huawei HG255s router, you can use the web management interface to perform either an automatic or manual online update. update+software+in+huawei+hg255s+2021
Flash OpenWrt if you enjoy tinkering, but accept the risk of turning your router into a paperweight. While the Huawei HG255s is a legacy device,