Xiaomi Mi WiFi Range Extender AC1200 RA75: OpenWrt Compatibility Report
The Xiaomi Mi WiFi Range Extender AC1200 RA75 runs OpenWrt 25.12.2 on the ramips/mt76x8 target, and has been supported since 23.05.0. Its WiFi 5 (AC) wireless on the mt76 driver rates fair for open-source driver support (0.65/1.0), installation is rated moderate, and it is still sold new.
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Specifications
| SoC | MediaTek MT7628DAN |
|---|---|
| CPU | 1 core @ 580 MHz |
| RAM | 64 MB |
| Flash | 16 MB |
| Ethernet ports | 1 |
| WiFi generation | WiFi 5 (AC) |
| Radios | 2.4GHz: b/g/n · 5GHz: a/n/ac |
| WLAN hardware | MediaTek MT7628DAN, MediaTek MT7612EN |
| WLAN driver | mt76 |
| OpenWrt target | ramips / mt76x8 |
| Package architecture | mipsel_24kc |
| Current release | 25.12.2 |
| Supported since | 23.05.0 |
| Install method | U-Boot TFTP recovery |
| Install difficulty | moderate |
| Power supply | wall plug |
| Device type | Repeater |
| Estimated throughput | 72 Mbps |
| Availability | available |
Installing OpenWrt on the Mi WiFi Range Extender AC1200 RA75
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: U-Boot TFTP recovery.
No HTML UI, so OpenWrtInvasion does not work
Official OpenWrt device page for the Mi WiFi Range Extender AC1200 RA75
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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