ELECOM WMC-X1800GST OpenWrt Firmware
- CPU
- MediaTek MT7621A
- RAM
- 512 MB
- Flash
- 128NAND MB
The ELECOM WMC-X1800GST is supported by OpenWrt on the ramips/mt7621 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 | MediaTek MT7621A |
|---|---|
| CPU cores | 2 |
| CPU frequency | 880 MHz |
| RAM | 512 MB |
| Flash | 128NAND MB |
| 1 Gbit Ethernet ports | 3 |
| WLAN hardware | MediaTek MT7915D, MediaTek MT7975D |
| Switch | MediaTek MT7530 (SoC) |
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 | ramips/mt7621 | elecom_wmc-x1800gst |
Downloads
Download images
OpenWrt 25.12.5 · ramips/mt7621
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-ramips-mt7621-elecom_wmc-x1800gst-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | 6aa11fe627c7… |
| openwrt-25.12.5-ramips-mt7621-elecom_wmc-x1800gst-initramfs-factory.bin For first-time flash from stock firmware. | initramfs-factory.bin | 9ba3ef777742… |
| openwrt-25.12.5-ramips-mt7621-elecom_wmc-x1800gst-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | c890e3e781cc… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the ELECOM WMC-X1800GST ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
Device packages (2)
kmod-mt7915-firmware -uboot-envtools
Target default packages (29)
apk-mbedtls base-files ca-bundle dnsmasq dropbear firewall4 fstools kmod-crypto-hw-eip93 kmod-gpio-button-hotplug kmod-leds-gpio 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 wpad-basic-mbedtls
Installation notes
- First install from stock firmware: flash the factoryimage through the vendor firmware's upgrade page or recovery mode.
- 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-ramips-mt7621-elecom_wmc-x1800gst-squashfs-sysupgrade.bin 6aa11fe627c710a4d1bb16a3ed91f01a681b4f30f34857d67738431283a587a5 openwrt-25.12.5-ramips-mt7621-elecom_wmc-x1800gst-squashfs-sysupgrade.bin
Build custom firmware
Need more than the default image for the ELECOM WMC-X1800GST? 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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More devices on ramips/mt7621
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.