ASUS RT-N56U OpenWrt Firmware

Name: ASUS RT-N56U
Brand: ASUS

The ASUS RT-N56U is supported by OpenWrt on the ramips/rt3883 target. 1 firmware image is 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.

Build matrix

Supported firmware versions

Distribution	Version	Target	Profile
OpenWrt	25.12.5	ramips/rt3883	asus_rt-n56u

Downloads

Download images

OpenWrt 25.12.5 · ramips/rt3883

Image	Type	sha256
openwrt-25.12.5-ramips-rt3883-asus_rt-n56u-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt.	sysupgrade	63769a94803d…

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

Packages & install

Default packages & installation

Default packages

Every image for the ASUS RT-N56U ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.

Device packages (2)

kmod-usb-ohci kmod-usb2

Target default packages (29)

apk-mbedtls base-files ca-bundle dnsmasq dropbear firewall4 fstools kmod-gpio-button-hotplug kmod-leds-gpio kmod-nft-offload kmod-rt2800-pci kmod-rt2800-soc libc libgcc libustream-mbedtls logd mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe swconfig uci uclient-fetch urandom-seed urngd wpad-basic-mbedtls

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-ramips-rt3883-asus_rt-n56u-squashfs-sysupgrade.bin
63769a94803d3f9641eb17db54bb7fb13686aa52f339f164c22a0af2dd33378c  openwrt-25.12.5-ramips-rt3883-asus_rt-n56u-squashfs-sysupgrade.bin

Build custom firmware

Need more than the default image for the ASUS RT-N56U? 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 ASUS devices

More devices on ramips/rt3883

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.