To download the OpenWrt firmware for the (brcm63xx/generic), you should use the OpenWrt Firmware Selector for the most stable and up-to-date versions . Note that this device is classified as an 8/64 device (8MB Flash / 64MB RAM), which is the absolute minimum for modern OpenWrt releases; newer versions may lack the LuCI web interface to save space. Download Links
If you need a lighter, older version (like 18.06), you can find them in the OpenWrt Release Archive . HG556a-A squashfs-cfe.bin HG556a-B squashfs-cfe.bin HG556a-C squashfs-cfe.bin How to Flash (CFE Recovery Method) Download openwrt brcm63xx generic HG556a squashfs cfe bin
The squashfs-cfe.bin file is specifically designed for the bootloader recovery mode. To download the OpenWrt firmware for the (brcm63xx/generic),