Lunzn FastRhino R66S OpenWrt Firmware

CPU: Rockchip RK3568
RAM: 2048 MB
Flash: microSDXC

The Lunzn FastRhino R66S is supported by OpenWrt on the rockchip/armv8 target. 2 firmware images are available from the official OpenWrt 25.12.5 stable release — download one below, or build a custom OpenWrt image for this device with your own package selection.

Specs

Specifications

CPU	Rockchip RK3568
CPU cores	4
CPU frequency	2000 MHz
RAM	2048 MB
Flash	microSDXC
2.5 Gbit Ethernet ports	2

Hardware data from the OpenWrt Table of Hardware; verify against your unit before flashing.

Build matrix

Supported firmware versions

Distribution	Version	Target	Profile
OpenWrt	25.12.5	rockchip/armv8	lunzn_fastrhino-r66s

Downloads

Download images

OpenWrt 25.12.5 · rockchip/armv8

Image	Type	sha256
openwrt-25.12.5-rockchip-armv8-lunzn_fastrhino-r66s-squashfs-sysupgrade.img.gz Not sure? Pick this if upgrading from OpenWrt.	sysupgrade	9aa4e48762fb…
openwrt-25.12.5-rockchip-armv8-lunzn_fastrhino-r66s-ext4-sysupgrade.img.gz Not sure? Pick this if upgrading from OpenWrt.	sysupgrade	eb67c0de3046…

Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.

Packages & install

Default packages & installation

Default packages

Every image for the Lunzn FastRhino R66S ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.

Device packages (1)

kmod-r8169

Target default packages (29)

apk-mbedtls base-files ca-bundle dnsmasq dropbear e2fsprogs firewall4 fstools kmod-gpio-button-hotplug kmod-nft-offload libc libgcc libustream-mbedtls logd mkf2fs mtd netifd nftables odhcp6c odhcpd-ipv6only partx-utils ppp ppp-mod-pppoe procd-ujail uboot-envtools uci uclient-fetch urandom-seed urngd

Installation notes

Already running OpenWrt or ImmortalWrt: flash the sysupgrade image from LuCI (System → Backup / Flash Firmware) or with the sysupgrade command.

Verify your download against the published checksum before flashing:

$ sha256sum openwrt-25.12.5-rockchip-armv8-lunzn_fastrhino-r66s-squashfs-sysupgrade.img.gz
9aa4e48762fbf309e69acb61b428cc222a82d2057342dd40e686583ed7246e36  openwrt-25.12.5-rockchip-armv8-lunzn_fastrhino-r66s-squashfs-sysupgrade.img.gz

Build custom firmware

Need more than the default image for the Lunzn FastRhino R66S? Pick your packages — LuCI apps, themes, VPN clients — set the basics, and get a ready-to-flash OpenWrt image assembled from official packages in minutes.

Customize firmware for this device

More devices on rockchip/armv8

Upstream

Upstream & source

Images are assembled from packages compiled and published by the upstream OpenWrt and ImmortalWrt projects. The complete corresponding source code is available from those projects under the GPL.