The HG530’s bootloader (CFE – Common Firmware Environment) actually supports (primary and backup), even though the web interface only shows one.
Warning: This method is not guaranteed. If the bootloader is corrupted, the device is permanently bricked. Firmware Upgrade Huawei Hg530
: Never disconnect the power during the upgrade process, as this can permanently damage (brick) the router. Firmware Upgrade Huawei Hg530