Navigate to > Device > Backup Configuration File and save it to your PC. Where to Download Verified Firmware
: Always use an Ethernet cable to connect your computer to one of the router's LAN ports (LAN1-LAN4). Do not attempt an upgrade over Wi-Fi, as signal drops can corrupt the process. huawei echolife hg520b firmware upgrade download verified
Before beginning, ensure you have the following to avoid "bricking" your router: Navigate to > Device > Backup Configuration File