Xiaomi Mi Router AC2100: OpenWrt Compatibility Report
The Xiaomi Mi Router AC2100 runs OpenWrt 25.12.2 on the ramips/mt7621 target, and has been supported since 21.02.0. 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 we have no current US retail listing for it.
Hardware data and retail listings last checked .
Where to buy
We have no current retail listing for the Xiaomi Mi Router AC2100, which is no longer sold new. See current alternatives for devices you can still buy today.
Specifications
| SoC | MediaTek MT7621A |
|---|---|
| CPU | 2 cores @ 880 MHz |
| RAM | 128 MB |
| Flash | 128 MB (NAND) |
| Ethernet ports | 4 |
| 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 | 21.02.0 |
| Install method | see git-commit |
| Install difficulty | moderate |
| Device type | Home router |
| Estimated throughput | 220 Mbps |
| Availability | not_available |
Installing OpenWrt on the Mi Router AC2100
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.
Official OpenWrt device page for the Mi Router AC2100
Flashing third-party firmware can brick a router and usually voids the warranty. Always check that the firmware image matches your exact hardware version.
Still sold and well supported
Ruckus R500
MikroTik RB962UiGS-5HacT2HnT (hAP ac)
Ubiquiti UniFi UK-Ultra
Not sure which fits? Take the 60-second quiz.