The update process itself was designed to be user-friendly. Huawei provided clear instructions and a straightforward method for users to update their HG255s routers. The update was made available through the Huawei website and could be easily downloaded and installed using the device's web-based interface.
: Fixes recurring bugs where the 5GHz frequency band drops connection under heavy data loads.
By 2021, Huawei no longer offers automatic updates for the HG255s. You have two options:
If your router is experiencing problems, such as being stuck in a reboot loop or failing to start, you may need a more direct "rescue" method, also known as a "tftp flash." This involves forcing the router into a special recovery mode. Here's how it's done: update+software+in+huawei+hg255s+2021
Click on the Browse or Choose File button. Select the downloaded 2021 firmware file from your local storage. Execute the Update: Click Upgrade or Update .
: Never disconnect the power supply during an update, as this can permanently damage (brick) the router. Settings Retention
Bug Fixes: Resolving known issues like random reboots or DHCP errors. Preparation Checklist Before starting the update, ensure you have the following: The update process itself was designed to be user-friendly
Note down your ISP username/password and Wi-Fi settings (SSID/Password), just in case a factory reset is needed later.
: Older configurations carry critical vulnerabilities, including historical clickjacking bugs like CVE-2019-5243 . The 2021 builds resolve administrative panel security loopholes.
Ensure your router and computer will not lose power during the 5 to 10-minute update window. : Fixes recurring bugs where the 5GHz frequency
If your dashboard does not feature a manual file upload button, your provider manages the software remotely via TR-069 protocols. In this scenario, the safest way to force a stuck software update is to call your ISP's customer support line and request that they push the latest firmware version directly to your serial number over the line.
To update the software (firmware) of your router to the versions available as of 2021, you can use the web management interface or the mobile app. Method 1: Using the Web Management Page
Method 1: Update Software via Web Management Page (Most Common)
Before starting the upgrade, ensure you do the following to prevent damage to your device: