IIJ SA-W2 OpenWrt Firmware
- CPU
- Marvell Armada 380 88F6810
- RAM
- 256 MB
- Flash
- 32 MB
The IIJ SA-W2 is supported by OpenWrt on the mvebu/cortexa9 target. 3 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 | Marvell Armada 380 88F6810 |
|---|---|
| CPU cores | 1 |
| CPU frequency | 1600 MHz |
| RAM | 256 MB |
| Flash | 32 MB |
| 1 Gbit Ethernet ports | 5 |
| WLAN hardware | Atheros AR9287, Qualcomm Atheros QCA9880 |
| Switch | Marvell 88E6172 |
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 | mvebu/cortexa9 | iij_sa-w2 |
Downloads
Download images
OpenWrt 25.12.5 · mvebu/cortexa9
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-mvebu-cortexa9-iij_sa-w2-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | d7f16b50ab94… |
| openwrt-25.12.5-mvebu-cortexa9-iij_sa-w2-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | f1472cfcf353… |
| openwrt-25.12.5-mvebu-cortexa9-iij_sa-w2-targz-rootfs.tar.gz Rootfs archive for Docker / LXC containers. | rootfs | 362004e486e5… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the IIJ SA-W2 ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
Device packages (5)
kmod-ath9k kmod-ath10k-ct ath10k-firmware-qca988x-ct wpad-basic-mbedtls kmod-dsa-mv88e6xxx
Target default packages (26)
apk-mbedtls base-files ca-bundle dnsmasq dropbear firewall4 fstools kmod-gpio-button-hotplug kmod-nft-offload libc libgcc libustream-mbedtls logd mtd netifd nftables odhcp6c odhcpd-ipv6only 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.
- The kernel / initramfs image boots from RAM without writing to flash — useful for a first install or for recovering from a failed flash.
- Verify your download against the published checksum before flashing:
$ sha256sum openwrt-25.12.5-mvebu-cortexa9-iij_sa-w2-initramfs-kernel.bin d7f16b50ab9446a93ebc90b7958c64dbac0e95c0642fb139f115ae24029433bc openwrt-25.12.5-mvebu-cortexa9-iij_sa-w2-initramfs-kernel.bin
Build custom firmware
Need more than the default image for the IIJ SA-W2? 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 deviceRelated
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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.