Ubiquiti UniFi FlexHD: OpenWrt Compatibility Report
The Ubiquiti UniFi FlexHD runs OpenWrt 25.12.2 on the ramips/mt7621 target, and has been supported since 22.03.1. Its WiFi 5 (AC) wireless on the mt76 driver rates good for open-source driver support (0.80/1.0), installation is rated moderate, and it is still sold new.
Drivers: Good (0.80)
WiFi 5 (AC) Install: moderate
Hardware data and retail listings last checked .
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Specifications
| SoC | MediaTek MT7621AT |
|---|---|
| CPU | 2 cores @ 880 MHz |
| RAM | 128 MB |
| Flash | 32 MB |
| Ethernet ports | 1 |
| WiFi generation | WiFi 5 (AC) |
| Radios | 2.4GHz: b/g/n · 5GHz: a/n/ac |
| WLAN hardware | MediaTek MT7603, MediaTek MT7615 |
| WLAN driver | mt76 |
| OpenWrt target | ramips / mt7621 |
| Package architecture | mipsel_24kc |
| Current release | 25.12.2 |
| Supported since | 22.03.1 |
| Install method | see git-commit |
| Install difficulty | moderate |
| Power supply | 802.3af, 48V, 0.32A Gigabit PoE Adapter |
| Device type | Access point |
| Estimated throughput | 220 Mbps |
| Availability | available |
Installing OpenWrt on the UniFi FlexHD
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 git-commit.
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
Ruckus R500
WiFi 5 (AC) Drivers: Excellent $173
MikroTik RB962UiGS-5HacT2HnT (hAP ac)
WiFi 5 (AC) Drivers: Excellent $115
Ubiquiti UniFi UK-Ultra
WiFi 5 (AC) Drivers: Excellent $100
Not sure which fits? Take the 60-second quiz.