LinkSprite pcDuino3 OpenWrt Firmware
- CPU
- Allwinner A20
- RAM
- 1024 MB
- Flash
- 4096NAND, microSD MB
The LinkSprite pcDuino3 is supported by OpenWrt on the sunxi/cortexa7 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 | Allwinner A20 |
|---|---|
| CPU cores | 2 |
| CPU frequency | 1000 MHz |
| RAM | 1024 MB |
| Flash | 4096NAND, microSD MB |
| 100 Mbit Ethernet ports | 1 |
| WLAN hardware | Realtek RTL8188EUS |
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 | sunxi/cortexa7 | linksprite_pcduino3 |
Downloads
Download images
OpenWrt 25.12.5 · sunxi/cortexa7
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-sunxi-cortexa7-linksprite_pcduino3-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | 55446390e91e… |
| openwrt-25.12.5-sunxi-cortexa7-linksprite_pcduino3-squashfs-sdcard.img.gz Disk image to write onto an SD card. | sdcard | e72fe2e9a0c3… |
| openwrt-25.12.5-sunxi-cortexa7-linksprite_pcduino3-ext4-sdcard.img.gz Disk image to write onto an SD card. | sdcard | 14e5c26cea31… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the LinkSprite pcDuino3 ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
Device packages (5)
kmod-sun4i-emac kmod-rtc-sunxi kmod-ata-sunxi kmod-rtl8xxxu rtl8188eu-firmware
Target default packages (28)
apk-mbedtls base-files ca-bundle dnsmasq dropbear e2fsprogs firewall4 fstools 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
- 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-sunxi-cortexa7-linksprite_pcduino3-initramfs-kernel.bin 55446390e91ee5c993491e82aece227ab64396b70a95c1d30168815c210b8b78 openwrt-25.12.5-sunxi-cortexa7-linksprite_pcduino3-initramfs-kernel.bin
Build custom firmware
Need more than the default image for the LinkSprite pcDuino3? 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 LinkSprite devices
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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.