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Device: ZyXEL WSM20

Last Updated: 06/07/2025 08:14:05 UTC

Specifications

Device Type WiFi Router
CPU model MediaTek MT7621AT
CPU cores 2
CPU clock frequency (Mhz) 880
Flash Storage (MB) 128
Memory (MB) 256
1G Ethernet Ports 4
2.5G Ethernet Ports None
5G Ethernet Ports None
Modem None
VLAN Yes
WLAN Chipset MT7915
WLAN 2.4GHZ b/g/n/ax
WLAN 5GHZ a/n/ac/ax
USB ports None
Bluetooth None
Bootloader U-Boot
Power Supply 12 V DC, 1.5 A
Switch MT7530
Serial Yes
Serial Connection None
Button Count -
LED Count -
FCCID https://fccid.io/I88WSM20
OEM Hompage https://www.zyxel.com/uk/en-gb/products/wifi-system/ax1800-wifi6-whole-home-wifi-system-multy-m1/specifications
OEM Firmware https://d3jal3boi407dg.cloudfront.net/mycloud/wsm20/latest_firmware_info/s3_file/1652350021659/V1.00(ABZF.4)C0.bin
Wiki Devi -

OpenWRT

Supported Version Current 23.05.2
Supported Version Since 23.05.0
Forum Topic https://forum.openwrt.org/t/openwrt-for-zyxel-wsm20-multy-m1/154379
Firmware URL https://downloads.openwrt.org/releases/23.05.2/targets/ramips/mt7621/openwrt-23.05.2-ramips-mt7621-zyxel_wsm20-initramfs-kernel.bin
Firmware Upgrade URL https://downloads.openwrt.org/releases/23.05.2/targets/ramips/mt7621/openwrt-23.05.2-ramips-mt7621-zyxel_wsm20-squashfs-sysupgrade.bin
Install Method GUI OEM
Package Architecture -
Target ramips
Subtarget mt7621