YunCore AX820: OpenWrt Compatibility Report

YunCore AX820 router

The YunCore AX820 runs OpenWrt 25.12.2 on the ramips/mt7621 target, and has been supported since 22.03.0. Its WiFi 6 (AX) wireless on the mt76 driver rates good for open-source driver support (0.80/1.0), installation is rated easy, and it is still sold new.

Drivers: Good (0.80) WiFi 6 (AX) Install: easy

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Specifications

SoC MediaTek MT7621DAT
CPU 2 cores @ 880 MHz
RAM 256 MB
Flash 16 MB
Ethernet ports 2
WiFi generation WiFi 6 (AX)
Radios 2.4GHz: b/g/n/ax · 5GHz: a/n/ac/ax
WLAN hardware MediaTek MT7905DAN, MediaTek MT7975DN
WLAN driver mt76
OpenWrt target ramips / mt7621
Package architecture mipsel_24kc
Current release 25.12.2
Supported since 22.03.0
Install method GUI OEM
Install difficulty easy
Power supply 12 VDC, 1.5A, or PoE 802.3af/at
Device type Access point
Estimated throughput 220 Mbps
Availability available

Installing OpenWrt on the AX820

Installation on this device is rated easy. You can flash it from the stock web interface without opening the case or using a serial cable. Documented methods: GUI OEM.

rename sysupgrade.bin extension to ".ubin"

Flashing third-party firmware can brick a router and usually voids the warranty. Always check that the firmware image matches your exact hardware version.

Other routers to consider

Sinovoip Banana Pi BPi-R3 Mini

WiFi 6 (AX) Drivers: Excellent $109

Huasifei WH3000

WiFi 6 (AX) Drivers: Excellent

GL.iNet GL-MT6000 (Flint 2)

WiFi 6 (AX) Drivers: Excellent $170

Not sure which fits? Take the 60-second quiz.