* https://librecmc.org/librecmc/downloads/snapshots/current/main/ar71xx/generic
  * https://librecmc.org/librecmc/downloads/snapshots/current/main/ar71xx/generic/librecmc-ar71xx-generic-wndr3800-squashfs-sysupgrade.bin
  * https://downloads.openwrt.org/snapshots/targets/ar71xx/generic/
  * https://downloads.openwrt.org/snapshots/targets/ar71xx/generic/openwrt-ar71xx-generic-wndr3800-squashfs-sysupgrade.bin