Huawei Echolife Hg520b Firmware Upgrade ((hot)) -
Upgrading the firmware on a (a legacy ADSL2+ router) is a manual process because this older model usually doesn't support "one-click" cloud updates. Step-by-Step Upgrade Guide
The router's lights will blink or turn off as it loads the new software. Do not refresh the page Huawei Echolife Hg520b Firmware Upgrade
Enable TFTP client in Windows (Control Panel -> Programs -> Turn Windows features on/off). Upgrading the firmware on a (a legacy ADSL2+