This is the —you download the specific ROM file from Huawei's support site and flash it locally. Use this if your router is bricked (stuck in recovery mode) or if you want to downgrade to an older stable version.
Note: You can also toggle on here to let the router update itself during off-peak hours (usually 3:00 AM – 5:00 AM). Method 3: Manual Local Update huawei wifi ws5200 firmware update full