IMOU HX21: OpenWrt Compatibility Report
The IMOU HX21 runs OpenWrt 25.12.4 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 moderate, and it is still sold new.
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Specifications
| SoC | MediaTek MT7981B |
|---|---|
| CPU | 2 cores @ 1300 MHz |
| RAM | 256 MB |
| Flash | 128 MB (NAND) |
| Ethernet ports | 4 |
| WiFi generation | WiFi 6 (AX) |
| Radios | 2.4GHz: b/g/n/ax · 5GHz: a/n/ac/ax |
| WLAN hardware | MediaTek MT7981B, MediaTek MT7976C |
| WLAN driver | mt76 |
| OpenWrt target | mediatek / filogic |
| Package architecture | aarch64_cortex-a53 |
| Current release | 25.12.4 |
| Supported since | 25.12.0 |
| Install method | see devicepage |
| Install difficulty | moderate |
| Power supply | 12 VDC, 1A via barrel |
| Device type | Home router |
| Estimated throughput | 650 Mbps |
| Availability | available |
Installing OpenWrt on the HX21
Installation on this device is rated moderate. Expect to use a recovery mode, TFTP or a vendor tool rather than a plain web upload. Documented methods: see devicepage.
See instructions and preload files
Official OpenWrt device page for the HX21
Flashing third-party firmware can brick a router and usually voids the warranty. Always check that the firmware image matches your exact hardware version.
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