Marvell Armada 388 RD (RD-88F6820-AP) OpenWrt Firmware
The Marvell Armada 388 RD (RD-88F6820-AP) 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.
Build matrix
Supported firmware versions
| Distribution | Version | Target | Profile |
|---|---|---|---|
| OpenWrt | 25.12.5 | mvebu/cortexa9 | marvell_a388-rd |
Downloads
Download images
OpenWrt 25.12.5 · mvebu/cortexa9
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-mvebu-cortexa9-marvell_a388-rd-squashfs-firmware.bin | firmware | 5735987ae311… |
| openwrt-25.12.5-mvebu-cortexa9-marvell_a388-rd-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | 3bf63e273fc8… |
| openwrt-25.12.5-mvebu-cortexa9-marvell_a388-rd-targz-rootfs.tar.gz Rootfs archive for Docker / LXC containers. | rootfs | c2806c9e7302… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the Marvell Armada 388 RD (RD-88F6820-AP) ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
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
- 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-marvell_a388-rd-squashfs-firmware.bin 5735987ae3111da39a06ce6b62aa617d65cc6f1b7e3a2258e03660170032df0a openwrt-25.12.5-mvebu-cortexa9-marvell_a388-rd-squashfs-firmware.bin
Build custom firmware
Need more than the default image for the Marvell Armada 388 RD (RD-88F6820-AP)? 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.