The Huasifei WH3000 eMMC model (aka Fudy MT3000) is a Wi-Fi 6 5G
cellular router based on MediaTek MT7981A SoC.
Specifications:
SoC: Filogic 820 MT7981A (1.3GHz)
RAM: DDR4 1GB
Flash: eMMC 8G
WiFi: 2.4GHz and 5GHz with 3 antennas
Ethernet:
1x WAN (10/100/1000M)
1x LAN (10/100/1000/2500M)
USB: 1x USB 3.0 port
UART: 3.3V, TX, RX, GND / 115200 8N1
Installation via U-Boot rescue:
Connect to the GbE eth port, then press and hold reset button while
booting the device. Wait for the Internet led to blink 5 times,
release reset button. The rescue page is accessible via http://192.168.1.1
Select the OpenWrt sysupgrade image and start upgrade.
Wait for the router to flash new firmware and reboot.