MERCUSYS MR85X: OpenWrt Compatibility Report
The MERCUSYS MR85X runs OpenWrt 25.12.5 on the mediatek/filogic target, and has been supported since 25.12.0. Its WiFi 6 (AX) wireless on the mt76 driver rates excellent for open-source driver support (0.95/1.0), installation is rated easy, and it is still sold new.
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Specifications
| SoC | Mediatek MT7981BA |
|---|---|
| CPU | 2 cores @ 1300 MHz |
| RAM | 512 MB |
| Flash | 128 MB (NAND) |
| Ethernet ports | 4 (2.5G) |
| WiFi generation | WiFi 6 (AX) |
| Radios | 2.4GHz: b/g/n/ax · 5GHz: a/n/ac/ax |
| WLAN hardware | MediaTek MT7981BA, MediaTek MT7976CN |
| WLAN driver | mt76 |
| OpenWrt target | mediatek / filogic |
| Package architecture | aarch64_cortex-a53 |
| Current release | 25.12.5 |
| Supported since | 25.12.0 |
| Install method | GUI generic |
| Install difficulty | easy |
| Power supply | 12 VDC, 1.5A via barrel |
| Device type | Home router |
| Estimated throughput | 650 Mbps |
| Availability | available |
Installing OpenWrt on the MR85X
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 generic.
Official OpenWrt device page for the MR85X
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
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