Updates for the HG255s in the 2021 timeframe primarily focused on:
Before diving into the "how," let's address the "why." The Huawei HG255s is based on older 802.11n WiFi 4 technology, but that doesn't mean it should run obsolete software. update+software+in+huawei+hg255s+2021
The HG255s is often provided by ISPs like Vodafone or Superonline. In many cases, these providers push updates automatically, and the manual "Update" button may be hidden or disabled to ensure compatibility with their network. Firmware Source: Only download firmware from the Official Huawei Support site or your ISP's official portal. Updates for the HG255s in the 2021 timeframe
Call your ISP’s technical support. Ask: “Do you have a 2021 firmware update for the Huawei HG255S router? If yes, please email me the .bin or .img file.” Many will say no – the router is end-of-life. Firmware Source: Only download firmware from the Official