The Huawei HG255s reached end-of-life before 2021. While manual updating is possible via ISP archives or OpenWrt enthusiasts, most users should unless facing a specific security or stability issue. For a safe 2021 update, contact your ISP directly for a legacy firmware file.
: Never turn off the router or unplug the cable during the update process. This can "brick" the device, making it unusable.
Note: Do not turn off the router during this process, as it may cause the device to become unresponsive HUAWEI Global 3. Manual Update (If Online Update is Unavailable) If you have a specific firmware file (usually ending in ), follow these steps: System Management Maintenance Firmware Upgrade Software Upgrade Choose File and select the firmware file from your computer. and wait for the router to restart automatically. Important Tips: ISP Specifics:
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Log into the router and perform a factory reset under system settings to clear clogged caches.
: If your router was provided by an Internet Service Provider (ISP), they may manage firmware updates remotely, and manual update options might be disabled. How do I update the firmware version of my HUAWEI router
Only follow this if you have a valid firmware file (ending in .bin , .img , or .trx ) from your ISP.
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