Radxa E20C OpenWrt Firmware
- CPU
- Rockchip RK3528
- RAM
- 1024 MB
- Flash
- eMMC, microSDXC
The Radxa E20C 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 RK3528 |
|---|---|
| CPU cores | 4 |
| CPU frequency | 2000 MHz |
| RAM | 1024 MB |
| Flash | eMMC, microSDXC |
| 1 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 | radxa_e20c |
Downloads
Download images
OpenWrt 25.12.5 · rockchip/armv8
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-rockchip-armv8-radxa_e20c-ext4-sysupgrade.img.gz Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | ced1594c37ed… |
| openwrt-25.12.5-rockchip-armv8-radxa_e20c-squashfs-sysupgrade.img.gz Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | f4db8ee39dbd… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the Radxa E20C 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-radxa_e20c-ext4-sysupgrade.img.gz ced1594c37edb94470b4d248e5f64390cefb7bc45cd524a9236ab76f6fd86a5e openwrt-25.12.5-rockchip-armv8-radxa_e20c-ext4-sysupgrade.img.gz
Build custom firmware
Need more than the default image for the Radxa E20C? 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
Related devices
More Radxa devices
- Radxa CM3 IO OpenWrt firmware
- Radxa E25 OpenWrt firmware
- Radxa E52C OpenWrt firmware
- Radxa ROCK 2A OpenWrt firmware
- Radxa ROCK 2F OpenWrt firmware
- Radxa ROCK 3A OpenWrt firmware
- Radxa ROCK 3B OpenWrt firmware
- Radxa ROCK 3C OpenWrt firmware
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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.